Wednesday

April 23, 2014

April 23, 2014

Number of results: 9,338

**biochemistry**

for each of these qualitative test,barfoed test,benedict test,seliwanoff test,bial test,molisch test,and iodine test, describe the class and give aspecific example of a carbohydrate that would yield a posiyive result?
*Friday, April 8, 2011 at 8:50am by kabelo*

**tax income**

To be a qualifying child, the taxpayer must meet three general tests and five specific tests. What are the three general tests? A. Relationship test, residency test and gross income test B. Support test, age test and relationship test C. Dependent taxpayer test, relationship ...
*Friday, March 2, 2012 at 6:52pm by Billy*

**Statistics**

Which one of the following test is used to compare five means, simultaneously? Run test Normally test One way ANOVA 2 Sample T Test F-Test
*Wednesday, September 15, 2010 at 9:11am by Beata Chmielewska*

**tax income**

To be a qualifying child, the taxpayer must meet three general tests and five specific tests. What are the three general tests? A. Relationship test, residency test and gross income test B. Support test, age test and relationship test C. Dependent taxpayer test, relationship ...
*Friday, March 2, 2012 at 5:09pm by Billy*

**Chemistry/Pre-Calc**

You follow the rules for statistics. Common tests are the t-test, the F test, etc. The t-test may be the most commonly used test.
*Monday, March 7, 2011 at 3:54pm by DrBob222*

**chemical test**

Okay. The reason I was confused was that in another test they just plain stated "when the color disappears...positive test result" but then they said discharge in this test. Thanks
*Sunday, December 2, 2007 at 6:20pm by ~christina~*

**college???**

Basic Business Statistics, the choices are: To test for normality To test for homogeneity of variance To test independence of erors To test for differences in pairwise means
*Sunday, November 16, 2008 at 9:09pm by Wanda*

**Statistics**

When population data are discrete and you want to compare two populations, which test is most appropriate? a. T-test b. Anderson Darling c. Leven’s d. 2-Proprotion test e. F-test
*Wednesday, September 15, 2010 at 9:28am by Beata Chmielewska*

**Science 7R **

Tomorrow I have a science test on circulatory system and is there a practice test THAT IS ON 7TH GRADE SCIENCE REGENTS LEVEL!?!? please i really want to do well on the test if take a pre-test thanks ;) btw --- i'm going over my notes for the test just that i want to take a pre...
*Tuesday, May 15, 2012 at 5:20pm by Laruen *

**Statistics**

Which test determines if there is a difference between the mean of a group and proposed standard value? Paired t-test F-test One Sample t-test One way ANOVA Two sample t-test
*Wednesday, September 15, 2010 at 9:13am by Beata Chmielewska*

**Psych**

If an iq test has high predictive validity, then a. a psychologist can accurately guess what score someone will get before he or she has started the test. b. students who get good score on the test will get even better scores if they take the test again c. The mean and ...
*Wednesday, March 21, 2012 at 2:29pm by Ashley*

**Math**

If Sally makes all scores of 100 on ten of her homework assignments and 80 on her first test and 85 on her second test and 86 on her third test and 95 on her project. What would Sally's grade be if homework is 10%, test 1=20% test 2=20%, test 3=25%, and project=25% ?
*Wednesday, April 23, 2008 at 11:46pm by Jadia*

**english**

1. A. objective test. B. written test. C. subjective test. D. academic writing. 2. A. communication. B. assessment. C. objective test. D. free expression. 3. A. key. B. directive. C. instructive. D. interpretation.
*Tuesday, April 8, 2014 at 10:15am by frida*

**statistics**

Increasing alpha from .01 to .05 increases the power of the test. The higher the level, the more powerful the test. If the test is one-tailed, the test will be more powerful because one is less likely to miss a statistically significant test if the predicted direction is ...
*Saturday, April 14, 2012 at 1:45pm by MathGuru*

**Math - Averages**

The test average for Louis' calculus class is found by taking the arithmetic mean of his four best test scores. If his first four test scores are 65,82,76 and 87, what score must he get on the fifth test to raise his test average to an 85?
*Friday, September 13, 2013 at 11:04am by Venus*

**Statistics**

The ____________ is a hypothesis-testing procedure in which there are two separate groups at people tested and the population variance is not known. - t test for dependent means - t test for a single sample - t test for independent means - t test for repeated measures
*Sunday, October 11, 2009 at 10:15am by Trey*

**math**

the probabilities that 3 friends A,B andC pass a driving test are1/3,1/4,2/5 respectively.All 3 take the test find the probability that(a)aa 3 failed the test (b) only B passes the test(c) only 2 of them pass the test (d)at least 1 passes the test... I will do one. Assuming ...
*Tuesday, June 26, 2007 at 9:17am by celina*

**statistics z or t test **

the average weekly earnings of a production worker were $424. to know if wages, on average, have gone up since that time. To test this, you sample 64 production workers, and determine that their average salary is $432.69, with a sample standard deviation of $33.90. Use a 0.05 ...
*Monday, July 19, 2010 at 1:01pm by Anonymous*

**Intro to Psychology**

Although not considered high in reliability or validity, this type of psychological assessment, if used correctly and by well-trained professionals, can provide valuable insight into understanding a person's thoughts and feelins. a. intelligence test b. achievement test c. ...
*Tuesday, May 24, 2011 at 11:21am by Laura*

**Math**

There are four tests in a year. The first test is worth 26%, the second is worth 20%, the third test is worth 30%, and the fourth test is 20%. Maria received a 59% on her first test. To recieve a final mark of 65%, what is the minimum she needs to obtain on each test? Can ...
*Thursday, November 18, 2010 at 5:40pm by Diana*

**Biology**

Suffering from acute glomerulonephrtis? if a person has acute glomerulonephrtis what would be the test result (negative or positive)for. a) urine color b) biuret test c)test for iron d)test for urea
*Sunday, December 13, 2009 at 2:35pm by jake*

**statistics**

This looks like an independent groups t-test. Here are a few hints: 1. d.f. for an independent groups t-test is this: n1 + n2 - 2 2. Use the denominator of the appropriate t-test as the standard error of the difference between the two means. 3. Use the appropriate t-test to ...
*Thursday, April 29, 2010 at 3:35pm by MathGuru*

**Statistics!!!**

b. The correlation between the number correct on a math test and the time it takes to complete the test is -.45. Test whether this correlation is significant for 80 children at the .05 level of significance. Choose either a one-or two-tailed test and justify your choice.
*Monday, July 8, 2013 at 4:21pm by Ethel*

**test**

It may be a test that comes with your book or it may be a test that your teacher made up. Good luck! I hope you get an A.
*Sunday, September 30, 2012 at 7:30pm by Ms. Sue*

**Comm/215**

Some test are so hard that no one does well on them. Other test are too easy and don't really test comprehension. Is this right?
*Thursday, June 17, 2010 at 5:48pm by David*

**test**

i dont think i found any. my test is tomorrow and it is a 20 question test.i tried looking but it doesnt have it
*Sunday, September 30, 2012 at 7:30pm by Celest*

**professiona education**

What do you mean by "good?" What kind of test? Basically a test measures what the student knows about the questions on that particular test. For instance, my seventh-grade students always did very well on their final exam -- almost everyone got at least an 80%. My goal was for...
*Tuesday, July 6, 2010 at 8:30pm by Ms. Sue*

**College testing**

Im gettin ready to take a placement test for Devry Unviersity. it says Reading , Writing, Arithmetic and Algebra makes up the test. is there any way i can pepare for this test? how long does placement test usually take to complete?
*Tuesday, May 20, 2008 at 8:06am by Bryan*

**t test**

What is the power of each of the following studies,(t test chart) using a t test for dependent means (based on the .05 significance level)?
*Monday, December 20, 2010 at 9:00pm by wallic*

**Math**

Jeremy got scores of 93,82,91, and 88 on his first four math test. What score must he get on the fifth test to have an average test grade of 90 for the five test ? Can someone explain step by step. Please
*Thursday, April 11, 2013 at 9:51pm by Jazmin*

**statistics**

Use Excel to find the p-value for each test statistic.a. Right-tailed test, t = +1.677, n = 13 b. Left-tailed test, t = −2.107, n = 5 c. Two-tailed test,t = −1.865, n = 34
*Monday, September 13, 2010 at 1:58pm by kim*

**Statistics/Math**

I want to test H0: p = .12 vs. Ha: p ≠ .12 using a test of hypothesis. This test would be called a(n) ____________ test. A) two-tailed B) right-tailed (this one?) C) left-tailed
*Tuesday, October 29, 2013 at 7:03pm by Michael*

**Biochemistry**

1.How to test a sample with cholesterol? - Name of test? - Procedure of test? - Results
*Wednesday, April 20, 2011 at 10:28am by Haldriech*

**medical terminology/exercise science terminology**

which one of the following fitness tests is best for sedentary individuals a.one mile walk test b.strep test c.one -RM test d.cycle ergometer test my answer is d
*Monday, January 13, 2014 at 11:26am by susue*

**Algebra**

Scientists want to set up and test animals in the area for West Nile. The costs to test are $2,200 for setup plus $1.50 to administer each test. Write an expression that gives the total cost to test x animals. Hint: An expression is a combination of known and unknown values.
*Tuesday, December 13, 2011 at 4:02pm by Joisey girl*

**Math**

Linda got a math test handed back to her and got a 96% on it. However she lost the test, not knowing what she got. If she knows that she scored a 43 on the test then how many 1- mark questions are there on the test?
*Wednesday, July 15, 2009 at 12:48am by Elizabeth*

**statistics**

Find the p-value for each test statistic. a. Right-tailed test, z=+1.34 b. Left-tailed test, z=−2.07 c. Two-tailed test, z=−1.69
*Monday, September 13, 2010 at 1:41pm by kim*

**college algebra**

the tests improve by 3 points, therefore: test 1 x test 2 x+3 test 3 x+6 test 4 x+9 the mean is the sum of the test scores divided by the number of tests. also, we know the mean = 69.5% therefore, we get the equation: (4x+18)/4 = 69.5% 4x+18 = 278 4x = 260 x = 65 therefore the...
*Sunday, March 8, 2009 at 11:42am by mark*

**Ms. Sue - ACT Test**

Ahh, I see. I'm kind of stressed over this test. I have to find a way to apply all of these "rules" when I'm taking this test.
*Sunday, February 22, 2009 at 5:28pm by Chopsticks*

**P Value Math Statistics**

Find the P-value for the indicated hypothesis test with the given standardized test statistics, z. Decide whether to reject H0 for the given level of significance a. two-tailed test with test statistic z= -1.57 and a=0.04
*Sunday, February 24, 2013 at 11:23pm by Katie*

**statistics**

Would this be 2 tailed test or a 1 tailed test? " Do dog owners have fewer doctor visits than control subjects?" I thought it was a 2 tailed test. Help? * For an independent group t test, when you are instructed to use a 1 tailed test. which means it would be a directional ...
*Friday, March 28, 2008 at 2:53am by Tina*

**Derrick**

John kept track of all his math and reading test scores throughout the year as shown in the table below. Test 1:90math 80reading Test 2:75math 90reading Test 3:80math 70reading Test 4:90math 75reading Test 5:95math 90reading What is the difference between the median of his ...
*Monday, March 19, 2012 at 4:29pm by running.from.myself*

**Calculus**

If you have a geometric alternating series, and you prove that the series is converging by doing geometric series test, and NOT alternating series test, then does that allow you to say that the series converges ABSOLUTELY? Or should you do alternate series test also to say ...
*Sunday, March 4, 2007 at 7:29pm by Jin*

**College Chem**

My usual answer is that results may be discarded if a. the analyst made an error during the procedure or b. the result is outside the limits of the t test or the Q test (or some other viable test).
*Friday, March 19, 2010 at 6:29pm by DrBob222*

**statistics**

Try a one-sample t-test to determine your test statistic. Once you have the test statistic, compare the test value to the critical value from a t-table using degrees of freedom along with the significance level. If the test statistic exceeds the critical value from the table, ...
*Tuesday, August 2, 2011 at 1:01pm by MathGuru*

**Microbiology**

Which of the following tests are used to differentiate between these bacteria: Tests: Bacitracin Test, SXT Test, CAMP Test, Enterococcosel Agar, 6.5% NaCl Test and Optochin Test A) Streptococcus viridans and Streptococcus faecalis B) Group A and Group B Streptococci C) Group B...
*Thursday, March 25, 2010 at 8:57pm by Jade*

**Math**

Suppose scores on an IQ test are normally distributed. If the test has a mean of 100 and a standard deviation of 10, what is the probability that a person who takes the test will score between 90 and 110?
*Wednesday, September 30, 2009 at 9:38pm by Mike*

**Math **

Suppose scores on an IQ test are normally distributed. If the test has a mean of 100 and a standard deviation of 10, what is the probability that a person who takes the test will score between 90 and 110?
*Thursday, October 1, 2009 at 9:24pm by JJ*

**psychology**

how a t Test for a dependent variable can be of great value in applying a new approach to the treatment of aggressive behavior to a small group of students. Why would this t Test be preferred to using another test statistic?
*Wednesday, March 16, 2011 at 9:34pm by Anonymous*

**maths**

Suppose scores on an IQ test are normally distributed.If the test has mean of 100 and standard deviation of 10,what is the probability that a person who takes the test will score between 90 and 110?
*Monday, March 12, 2012 at 10:17am by boby*

**Discrete Mathematics**

if k=>n, there is only one operation, the test. If k<n, then each time the test occurs, there are four operations(test, replace, replace, replace), and one final operation the test. 4n+1 is correct.
*Wednesday, March 30, 2011 at 10:10pm by bobpursley*

**Statistics**

If you are asked to do a t-test on this data, see the following: t = 5.15/(11.45/√322) You can probably get away with doing a z-test for this problem because the sample size is so large. However, the formulas are the same for a t or z test. If you use a z-table for a one...
*Thursday, March 18, 2010 at 9:27pm by MathGuru*

**Ged Test Results**

Can any one tell me how to get GED test results. I do not have a pin number and the testing center where I took the test said, that they can't help me because I signed for the test along time ago. On this day and edge of technology, it's got to be a way of geting a new pin ...
*Tuesday, July 29, 2008 at 2:50pm by Luis*

**Statistic**

You can use a one-sample proportional z-test for your data. (Test sample proportion = 39/90 and sample size = 90) Convert fractions to decimals to use in the z-test. Find the critical value in the appropriate table at .05 level of significance for a two-tailed test. Compare ...
*Monday, July 9, 2012 at 10:41pm by MathGuru*

**Statistics**

Try an independent groups t-test. This will be a two-tailed test because the problem is asking if there is a difference, which could be in either direction. Hypotheses: Ho: µ1 = µ2 (1 = females; 2 = males) Ha: µ1 ≠ µ2 Compare the test statistic you calculate with .05 ...
*Wednesday, November 7, 2012 at 3:23am by MathGuru*

**statistics t test immediate help needed**

the average weekly earnings of a production worker were $424. to know if wages, on average, have gone up since that time. To test this, you sample 64 production workers, and determine that their average salary is $432.69, with a sample standard deviation of $33.90. Use a 0.05 ...
*Sunday, July 18, 2010 at 10:03pm by Anonymous*

**science**

A test liquid has a density of 1.1 g/ml. When you pour some of it into a cup of water,what will happen (assuming that their natures are such that they dont mix and that there is no chemical reaction between the two substances)? A.the test liquid will float on top of the water ...
*Monday, June 7, 2010 at 8:44pm by lisha*

**Statistics**

Are my answers here correct ? Research questions for z test, t test for independent samples and t test for dependent samples : z test: "An investigator is interested in finding out whether the particular sample of college students is similar to or different from college ...
*Thursday, July 11, 2013 at 1:02am by Luah*

**Statistics Help !! **

Are my answers here correct ? Research questions for z test, t test for independent samples and t test for dependent samples : z test: "An investigator is interested in finding out whether the particular sample of college students is similar to or different from college ...
*Sunday, July 14, 2013 at 1:03am by Rey*

**Statistics**

Are my answers here correct ? Research questions for z test, t test for independent samples and t test for dependent samples : z test: "An investigator is interested in finding out whether the particular sample of college students is similar to or different from college ...
*Tuesday, July 16, 2013 at 6:19am by Ira*

**Statistics Help !!!!**

Are my answers here correct ? Research questions for z test, t test for independent samples and t test for dependent samples : z test: "An investigator is interested in finding out whether the particular sample of college students is similar to or different from college ...
*Friday, July 19, 2013 at 2:08am by Tise *

**Stats**

Try a one-sample z-test or t-test, depending on the size of your sample. Check the appropriate table at 0.01 level of significance for a two-tailed test. Once you calculate the test statistic, compare to the critical or cutoff value(s) from the table to reject or fail to ...
*Monday, May 20, 2013 at 12:34pm by MathGuru*

**statistics**

The latest in the "You may be a redneck if . . . " genre has produced a simple questionnaire. If more than 80% of the questions are answered in accordance with redneck"philosophy" (e.g., "You may be a redneck if grade 4 was the best 5 years of your life") the test declares the...
*Saturday, December 8, 2012 at 3:55pm by simone*

**Ged Test**

All advice is welcome. I will take my Ged Test on July 16th. any strategies? I really want to pass this test, Pls advise me on what you know...
*Sunday, July 13, 2008 at 10:17pm by keysha*

**Statistics**

You can use a one-sample proportional z-test for your data. (Test sample proportion = .58 and sample size = 150) Find the critical value in the appropriate table at .01 level of significance for a two-tailed test. Compare the test statistic you calculate to the critical value ...
*Friday, May 11, 2012 at 3:28pm by MathGuru*

**Stats**

A Math test has a mean of 51 and standard deviation of 5.0. Find the corresponding z scores for: I. a test score of 64 II. a test score of 47
*Saturday, October 15, 2011 at 12:23pm by Jennifer*

**to ms.sue**

is there a website where i can take a review test of the test i have heard of a land because i forgot to take my practice book home and tomorrow is the test.
*Thursday, May 3, 2012 at 7:29pm by Celest*

**Science 7R**

btw --- i got a 101 on math test 105 on facs spelling test 105 on sci test 98 average for ss yayaya :)
*Tuesday, May 15, 2012 at 5:20pm by Laruen *

**Psy**

Suggest one psychological research question that could be answered by each of the following types of statistical tests: •z test •t test for independent samples, and •t test for dependent samples
*Friday, September 13, 2013 at 5:09pm by Vanessa*

**Computer Programming using python**

def test(): index = 1 prev_index = 0 count = 0 global largest largest = '' test = s[prev_index] while count < len(s): if ord(s[index]) > ord(s[prev_index]): test += s[index] index += 1 prev_index += 1 elif ord(s[index]) == ord(s[prev_index]): test += s[index] index += 1 ...
*Thursday, October 24, 2013 at 10:28am by Bob*

**statistics**

a math test has a mean of 43 and a standard deviation of 17.0. find the corrresponding z scores for a test score of 13 and a test score of 59. show work
*Monday, October 11, 2010 at 9:42pm by Anonymous*

**Chemistry**

A Test Liquid Has A Density Of 1.1g/ml. When You Pour Some Of It Into A Cup Of Water, What Will Happen (assuming that their natures are such that they don't mix & that there is no chemical reaction between the two substances)? Choose a.b.c. or d. A The test liquid will float ...
*Tuesday, July 8, 2008 at 4:39pm by Mickeyv*

**Probablity**

Samir had prepared the problem tests for Stages 1 to 5 of Geometry and Combinatorics for next week but forgot to label which test was for which stage. Since Samir didn't label them, the computer assigned them labels 1 through 5 randomly, with each label appearing only once. ...
*Tuesday, May 14, 2013 at 5:21am by Mathslover*

**statistics**

You can use a one-sample proportional z-test for your data. (Test sample proportion = 76/120 or .63) Find the critical value in the appropriate table at .05 level of significance for a one-tailed test. Compare the test statistic you calculate to the critical value from the ...
*Tuesday, August 2, 2011 at 12:32am by MathGuru*

**statistics**

You can probably use a one-sample proportional test for your data. (Test sample proportion = 65/80 or .8125) Find the appropriate table for your critical value at .10 level of significance for a one-tailed test. Compare the test statistic you calculate to the critical value ...
*Friday, February 17, 2012 at 12:47am by MathGuru*

**Help ASAP Statistic**

. A new medical test provides a false positive result for Hepatitis 2% of the time. That is, a perfectly healthy subject being tested for Hepatitis will test as being infected 2% of the time. In research, the test is given to 30 healthy (not having Hepatitis) subjects. Let X ...
*Wednesday, April 2, 2014 at 4:05pm by helen*

**phi 103**

mrs orlof teaches 2 history classes one in the afternoon and one in the morining yesturday she gave the same test to both classses anyone who failed the test must retake since a greater percentage of students who took the morining test failed the test than student in the ...
*Tuesday, February 1, 2011 at 2:03am by shane*

**statistics**

a math test has a mean of 43 and a standard deviation of 17.0. find the corresponding z scores for a test score of 13 and a test score of 59. show all work.
*Monday, October 11, 2010 at 9:45pm by mary*

**statistics**

The College Board reported the following mean scores for the three parts of the Scholastic Aptitude Test (SAT) (The World Almanac, 2009): Assume that the population standard deviation on each part of the test is = 100. a. What is the probability a sample of 90 test takers will...
*Monday, April 14, 2014 at 5:15pm by Vanessa*

**statistics**

The College Board reported the following mean scores for the three parts of the Scholastic Aptitude Test (SAT) (The World Almanac, 2009): Assume that the population standard deviation on each part of the test is = 100. a. What is the probability a sample of 90 test takers will...
*Tuesday, April 15, 2014 at 10:02pm by Vanessa*

**Statistics**

The College Board reported the following mean scores for the three parts of the Scholastic Aptitude Test (SAT) (The World Almanac, 2009): Assume that the population standard deviation on each part of the test is = 100. a. What is the probability a sample of 90 test takers will...
*Wednesday, April 16, 2014 at 5:04pm by Vanessa*

**Math**

The College Board reported the following mean scores for the three parts of the Scholastic Aptitude Test (SAT) (The World Almanac, 2009): Assume that the population standard deviation on each part of the test is = 100. a. What is the probability a sample of 90 test takers will...
*Wednesday, April 16, 2014 at 8:07pm by Vanessa*

**Prealgebra**

A teacher was comparing results on two sets of test scores for a group of eleven students. The mean score on the second test was seven points higher than that of the first test. The median grade on both the tests was the same. Determine two sets of test scores that would ...
*Monday, May 7, 2012 at 9:22pm by Usha*

**Biochemistry 1**

1. You are given two clear solutions and told that one is lauric acid solution and the other is oleic acid. State and clearly outline the test you would use to differentiate one from the other. Hint: Name of test, Procedure of test, and Results. 2. Write the chemical equations...
*Wednesday, April 20, 2011 at 8:47am by Mangetty*

**statistic**

how a t Test for a dependent variable can be of great value in applying a new approach to the treatment of aggressive behavior to a small group of students. Why would this t Test be preferred to using another test statistic?
*Wednesday, December 15, 2010 at 12:42am by smith*

**statistic**

You can probably use a one-sample proportional test for your data. (Test sample proportion = 20/55 or .36) Find the appropriate table for your critical value at .10 level of significance for a one-tailed test. Compare the test statistic you calculate to the critical value from...
*Tuesday, August 2, 2011 at 12:40am by MathGuru*

**statistics**

the admissions policy at a certain university requires that incoming students score in the upper 20% on a standardized test. if the mean score on the test is 510 and the standard deviation of the scores is 80, what is the minimum score that a student can earn on the test to ...
*Thursday, December 15, 2011 at 3:25pm by Anonymous*

**statistics**

the admissions policy at a certain university requires that incoming students score in the upper 20% on a standardized test. if the mean score on the test is 510 and the standard deviation of the scores is 80, what is the minimum score that a student can earn on the test to ...
*Thursday, December 15, 2011 at 3:26pm by Anonymous*

**statistics**

(Blood Test Problem) Suppose 100 people are waiting for blood test for a kind of disease. The probability that for one person the test result is positive equals 0.1. Two test methods are as follows: Method 1: Test one by one. Then we have to do 100 tests. Method 2: Divide 100...
*Tuesday, October 4, 2011 at 9:23am by Anonymous*

**Business**

If a pre-employment test (such as personality tests/aptitude test etc)is reliable can it can still be discriminatory? I know that tests should be reliable and valid as well as a test should not be discriminatory...but I feel that the answer is true because even though a test ...
*Wednesday, October 24, 2007 at 2:22am by Jen*

**statistics**

Here are a few hints: 1. Try an independent groups t-test to calculate the t-test statistic. 2. Degrees of freedom for an independent groups t-test is this: n1 + n2 - 2 3. Compare your test statistic to the critical values listed. If the test statistic exceeds the critical ...
*Thursday, January 17, 2013 at 7:03pm by MathGuru*

**college, statistics**

a math test has a mean of 43 and a standard deviation 0f 17.0. find the corresponding z scores for. show all work. I. a test score of 13 II. a test score of 59
*Monday, October 11, 2010 at 11:55pm by mary*

**Statistics**

MathGuru, /**** statistic. Otherwise, check a z-table for a one-tailed test at .05 level of significance. Compare to your test statistic. If the test statistic exceeds the value from the table, reject the null and conclude p < .90. If the test statistic does not exceed the ...
*Friday, April 20, 2012 at 7:20pm by Srinivas*

**statistics**

Use the appropriate statistical formula for this type of 2-sample test. Calculate the test statistic using the information in the problem. Find your critical value using the appropriate table at .05 level of significance for a one-tailed test. Compare your test statistic to ...
*Thursday, February 16, 2012 at 8:18pm by MathGuru*

**AP Stats**

notice my possible outcomes are AC - took the prep test and got in -- (.5)(.3) = .15 AD - took the prep test, did not get in -- (.5)(.7) = .35 BE - did not take prep test but still got in --- (.5)(.2) = .1 BF - did not take prep test, did not get in --- (.5)(.8) = .4 my 4 prob...
*Friday, January 2, 2009 at 2:39pm by Reiny*

**statistics**

5. Each year, a national achievement test is administered to 3rd graders. The test has a mean score of 100 and a standard deviation of 15. If Jane's z-score is 1.20, what was her score on the test?
*Friday, September 2, 2011 at 8:19pm by xiomara*

**Math**

Mrs. Marcincavage allowed each student in her math class to drop the lowest of their five test scores. When Matthew dropped the lowest of his test scores, a 60, his test average increased by 5 points. What is Matthew’s new test average?
*Monday, March 3, 2014 at 3:09pm by Elizabeth*

**math**

Mrs. Marcincavage allowed each student in her math class to drop the lowest of their five test scores. When Matthew dropped the lowest of his test scores, a 60, his test average increased by 5 points. What is Matthew’s new test average?
*Tuesday, March 4, 2014 at 12:08pm by Katie*

**statistics**

the average weekly earnings of a production worker were $424. to know if wages, on average, have gone up since that time. To test this, you sample 64 production workers, and determine that their average salary is $432.69, with a sample standard deviation of $33.90. Use a 0.05 ...
*Sunday, July 18, 2010 at 10:10pm by Anonymous*

**algebra **

i need help: A national achievement test is administered annually to 9th graders. The test has a mean score of 100 and a standard deviation of 15. If John’s z-score is 1.20, what was his score on the test?
*Tuesday, November 19, 2013 at 7:41pm by mufasa*

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