Wednesday
May 4, 2016

# Search: Test

Number of results: 7,355

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?
April 8, 2011 by kabelo

mathematics
Jake correctly answered 15 out of 25 questions in Test 1 and 18 out of 25 questions on test 2. On Test 3 he missed 5 out of 27 questions. Which test had the best score? A) Test 2 and Test 3 B) Test 2 C) Test 3 D) Test 1 ??
August 6, 2015 by Jackie

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 ...
March 2, 2012 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
September 15, 2010 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 ...
March 2, 2012 by Billy

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% ?

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
September 15, 2010 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...
May 15, 2012 by Laruen

Help with Psychology Homework
Your professor asks you to take a personality test. After taking the test, you read your description of your personality type, and are disappointed that the results do not seem to capture your personality at all. In fact, you think the test probably measures attitudes rather ...
March 24, 2015 by Chris

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
September 15, 2010 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 ...
March 21, 2012 by Ashley

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 ...
November 18, 2010 by Diana

statistics
A credit card company estimates that the average credit card balance of Americans is \$3,210. A statistics student wants to know whether this is true for citizens of her home town. Which hypothesis test would be most appropriate for addressing this question? One sample z-test ...

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?
September 13, 2013 by Venus

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 ...
July 19, 2010 by Anonymous

English
1. He admitted cheating on the test. 2. He admitted that he cheated on the test. 3. He admitted that he had cheated on the test. cf. He admitted having cheated on the test. (Does #1 mean #2 or #3?) 4. He admits cheating on the test. 5. He admits that he cheats on the test. 6. ...
May 1, 2016 by rfvv

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
October 11, 2009 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 ...
June 26, 2007 by celina

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
October 29, 2013 by Michael

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.
July 8, 2013 by Ethel

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. ...
May 24, 2011 by Laura

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
December 13, 2009 by jake

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
April 11, 2013 by Jazmin

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?
May 20, 2008 by Bryan

Math
A boy's test grades are 68 , 72, 78, 80 and 86. What grade must he get on his next test to make his test average exactly 75?
August 19, 2015 by Pat

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)?
December 20, 2010 by wallic

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.
December 13, 2011 by Joisey girl

Math
Tamera has test scores of 88,78,98,88, and 78. She was told that her final test grade average is the highest C possible as a whole number. What was her last test score?
March 30, 2016 by Anonymous

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
January 13, 2014 by susue

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
September 13, 2010 by kim

Biochemistry
1.How to test a sample with cholesterol? - Name of test? - Procedure of test? - Results
April 20, 2011 by Haldriech

Math
Karl's scores on the first five science tests are shown in the table. Test 1 Test 2 Test 3 Test 4 Test 5 85 84 90 95 88 Part A. Write am inequality that represents how to find the score he must receive on the sixth test to have an average score of more than 88. Part B. Solve ...
November 12, 2015 by Wendy

Math (prob)
The probability of an outstanding student pass a biology test is 60%. If he takes three test,which are the experimental results for each test? Please, help me to understand.
November 26, 2015 by Bet

Math (prob)
The probability of an outstanding student pass a biology test is 60%. If he takes three test,which are the experimental results for each test? Please, help me to understand.
November 27, 2015 by Bet

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 ...
March 28, 2008 by Tina

math,correction
can someone correct this for me please. Statistics. Sam must have an average of 70 or more in his summer course to obtain a grade of C. His first three test grades were 75,63, and 68. Write an inequality representing the score that Sam must get on the last test to get a C ...
January 9, 2007 by jasmine20

math correction
can someone correct this for me.or teach me if i'm wrong Statistics. Sam must have an average of 70 or more in his summer course to obtain a grade of C. His first three test grades were 75,63, and 68. Write an inequality representing the score that Sam must get on the last ...
January 8, 2007 by Jasmine20

statistics
It has been suggested that the rate of forgetting (coded as normal vs. fast) for word lists often used in psychological experiments may depend on the type of memory test employed, either free-recall or recognition. What is the best way to test this hypothesis? a. regression b...
May 3, 2014 by June

statistics
It has been suggested that the rate of forgetting (coded as normal vs. fast) for word lists often used in psychological experiments may depend on the type of memory test employed, either free-recall or recognition. What is the best way to test this hypothesis? a. regression b...
May 3, 2014 by Lisa

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?
September 30, 2009 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?
October 1, 2009 by JJ

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?
March 12, 2012 by boby

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
February 24, 2013 by Katie

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?
July 15, 2009 by Elizabeth

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 ...
March 19, 2012 by running.from.myself

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. (2200 + 1.5x)/x What is the average cost to test 25 animals?250 animals??1000 animals??? (2200 + 1.5x)=2201.50 *25 =2239.00 Is this ...
December 14, 2011 by becca

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...
December 8, 2012 by simone

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 ...
March 4, 2007 by Jin

Math!!!
A 3 x 5 table is considered to test the association of two variables having 3 and 5 categories respectively. A Chi-square test statistic with value 19.0 was obtained. What is the degrees of freedom associated with this test?
January 12, 2016 by Help!!!

Math
The science test grades are posted. All students taking the test scored over 75. Unfortunately, 4 students were absent for the test and the computer listed their scores as 0 until the test is taken. Assuming that no score repeated more times than the 0's, what measure of ...
January 4, 2016 by Vstar

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...
April 14, 2014 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...
April 15, 2014 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...
April 16, 2014 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...
April 16, 2014 by Vanessa

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...

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?
March 16, 2011 by Anonymous

Math - Stat !!!!
A 3 x 5 table is considered to test the association of two variables having 3 and 5 categories respectively. A Chi-square test statistic with value 19.0 was obtained. What is the degrees of freedom associated with this test?
January 13, 2016 by Pleaseeee Help!!!

Math
Problem Solving Work Backward The test that Keyshawn's class took finished at 10:30 a.m. The first part of the test took 30 minutes. There was a 15 minute break. The second part of the test also took 30 minutes. At what time did the test start?
May 2, 2013 by Ann

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
September 13, 2010 by kim

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 ...
April 2, 2014 by helen

math
The test Keyshawn's class took finished at 10:30 A.M. The first part of the test took 30 minutes. There was a 15 minute break. The second part of the test also took 30 minutes. At what time did the test start?
May 19, 2014 by Lindsey

Stats
Consider the following Hypotheses test: Ho:m>=80 Ha:m<80 A sample of 121 provided a sample mean of 77.3. The population Standard Deviation is known to be 16.5. A. compute the value of test statistic B. Determin the p value: and at 93.7% confidence, Test the above ...
April 29, 2012 by bobbie

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 ...
June 7, 2010 by lisha

math/stats
Which of the following statements are true? (A) In a two-tail test of hypothesis for a population mean the decision rule is to reject H0 if the test statistic lies outside of the action limits. (B) A statistical test of hypothesis is performed under the assumption that the ...
March 27, 2015 by Anonymous

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 ...
July 14, 2013 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 ...
July 16, 2013 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 ...
July 19, 2013 by Tise

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 ...
July 8, 2008 by Mickeyv

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...
July 13, 2008 by keysha

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
October 11, 2010 by Anonymous

algebra
your test scores in one class are 80 and 88. what possible scores can you earn on your next test to have a test average between 84 and 89, inclusive?
September 1, 2015 by Stephanie

Algebra
Your test scores in one class are 85 and 88. What possible scores can you earn on your nest test to have a test average between 86 and 90, inclusive?
October 20, 2015 by Eden

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.
October 11, 2010 by mary

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.
May 3, 2012 by Celest

Test and Measurements
You are interested in seeing if a new test will help to determine who will be successful in a training program. The current rate of success is 70% for 200 students. When the new test is implemented, the rate increases to 85% for the 50 students who pass the test and are ...
June 12, 2014 by Valerie

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
October 11, 2010 by mary

statistic/Psychology
According to classical test theory, if the observed variance of a test is 50 and the true variance is 40, what is the estimated reliability of the test? a. 0.40 b. 0.50 c. 0.80 d. 0.90
July 26, 2013 by Crystal

statistic/Psychology
According to classical test theory if the observed variance of a test is 50 and the true variance is 40 what is the estimated reliability of the test? a. 0.40 b. 0.50 c.0.80 d. 0.90
July 27, 2013 by Crystal

statictics
According to classical test theory, if the observed variance of a test is 50 and the true variance is 40, what is the estimated reliability of the test? Answer a. 0.40 b. 0.50 c. 0.80 d. 0.90
October 27, 2013 by Joyce

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 ...
July 18, 2010 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 ...
December 15, 2011 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 ...
December 15, 2011 by Anonymous

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
September 13, 2013 by Vanessa

math
If Susan takes two tests and makes a makes a 54/100 on the first test and a 63/100 on the second test, and is given a third test and makes an 80/100(which can only count as 20% of her total grade for all three test, what is her final grade/score.
December 18, 2014 by destiny scott

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
October 15, 2011 by Jennifer

Math
The mean of a set of four test scores is 85. If three of the test scores are 81,83, and 85, what is the fourth test score? A. 89 B. 87 C. 91 D. 85 Is the answer A? Thank you
April 5, 2015 by Anonymous

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. ...
May 14, 2013 by Mathslover

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 ...
February 1, 2011 by shane

math
Could someone please tell me if I am on track with my answer? Jack is taking a four-item true-false test. He has no knowledge about the subject of the test and decides to flip a coin to answer the items. What is the probability that he receives a perfect score? What is the ...
November 18, 2009 by Punkie

English
1. He admitted cheating on the test. 2. He admitted that he had cheated on the test. 3. He admitted that he cheated on the test. (Does #1 mnean #2 or #3?) 4. I'll admit cheating on the test. 5. I'll admit that I cheat on the test. 6. I'll admit that I cheated on the test. (...
May 1, 2016 by rfvv

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 ...
May 7, 2012 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...
April 20, 2011 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?
December 15, 2010 by smith

Differential Calculus
Determine all local extrema, concavity and inflection point/s for y = -2cos(x) in (0, 2Pi). Test by both First Derivative Test and Second Derivative Test and sketch the graph.
January 20, 2016 by Sel

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...
October 4, 2011 by Anonymous

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 ...
October 24, 2007 by Jen

Math
An aptitude test has a mean of 300 and a standard deviation of 40. The test scores are normally distributed. If 1000 people take the test, find the number of people who will score between 280 and 360.
July 12, 2014 by Shelagh

Chemistry
Suppose you suspect that your unknown is either copper (II) nitrate or copper (II) sulfate. You decide to add NaOH to your known as a test reagent. Will this test distinguish between the two possibilities? If not, could you suggest a different test?
October 21, 2015 by Pat

algebra 1
You are taking a Spanish course in which there will be four test. Each worth 100 point. You have scores of 99,97 and 92 on the first three test. You must make a total of 360 in order to get an a. What scores on the last test will give you an a? I am really grateful for your help.
December 17, 2010 by esther

statistics
10. Explain how the power of a hypothesis test is influenced by each of the following. Assume that all other factors are held constant. a. Increasing the alpha level from .01 to .05. b. Changing from a one-tailed test to a two-tailed test.
March 18, 2011 by Melissa Williams

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