Friday

July 25, 2014

July 25, 2014

Number of results: 90,828

**writing **

When citing statistics from a web page in your speech you need to provide which of the following: ALL The date and source of the statistic What population(s) the statistic represents The author responsible for the statistic or quotation
*May 10, 2012 by Anonymous*

**College and Math Courses**

Is statistic 243 equivalent to AP Statistic?
*November 15, 2013 by Anonymous*

**Statistic**

In a statistic class, 10 scores were randomly selected with the following results were obtained: 74, 73, 77, 77, 71, 68, 65, 77, 67, 66 What are the inner fences?
*May 18, 2014 by Ellis *

**math**

As a a test of a new measurement process, 10 measurements are made on pieces of glass known to have conductivity 1. The average of the 10 measurements is 1.07. Indicate whether 1 and 1.07 is a parameter or statistic and explain why. I know 1.07 is a statistic. Please explain ...
*February 27, 2013 by please help*

**Animal Science**

I need a statistic of how many dogs and cats are currently in a foster home in the us. Does anyone know a website that has this credible statistic? thanks
*November 30, 2011 by hannah*

**math**

As a a test of a new measurement process, 10 measurements are made on pieces of glass known to have conductivity 1. The average of the 10 measurements is 1.07. Indicate whether 1 and 1.07 is a parameter or statistic and explain why. I understand that 1.07 is a statistic. ...
*February 26, 2013 by Please help*

**Math-Statistics**

Suppose you want to test the claim that mean is not equal 3.5. Given a sample size of n = 45 and a level of significance of a = 0.10, when should you reject H0 ? A) Reject H0 if the standardized test statistic is greater than 1.96 or less than -1.96 B) Reject H0 if the ...
*December 12, 2009 by Jenny*

**statistics**

I need so help figuring out which statement is true or false. 1. A parameter always describes a larger group than a statistic. 2. The sampling distribution of a statistic is the distribution of values taken by the statistic in all possible samples of all possible sizes from ...
*February 5, 2009 by Sue*

**math**

As a a test of a new measurement process, 10 measurements are made on pieces of glass known to have conductivity 1. The average of the 10 measurements is 1.07. Indicate whether 1 and 1.07 is a parameter or statistic and explain why. I know 1.07 is a statistic. Please explain ...
*February 27, 2013 by Please help*

**Stats**

2 samples were collected to determine whether there was a difference between two weight loss methods targeting men. The average weight loss method is provided for the 2 samples along with the respective standard deviations. Is the second method - with an average weight loss of...
*February 23, 2007 by Jason L*

**Statistics**

To do inferential procedures comparing two proportions, we need another variance formula (our ruler). This formula is based on what principle? A) The variance of the difference of two statistics is the difference of the variances of each statistic. B) The variance of the ...
*November 15, 2013 by Katie*

**statistic**

For a two-tailed hypothesis test, the test statistic is z = 1.42. What is the p-value?
*October 29, 2013 by Anonymous*

**Math Help**

Poll of statistic students revealed that 44% study alone, 31% study in a group, 12% study both alone and in a group Find the probability that a randomly selected statistic student studies alone but not in a group.
*October 17, 2007 by Taylor*

**statistics**

Suppose you want to test the claim that mu is not equal to 3.5. Given a sample size of n = 31 and a level of significance of alpha = 0.10 when should you reject Ho? A) Reject Ho if the standardized test statistic is greater than 2.575 or less than -2.575. B) Reject Ho if the ...
*June 21, 2011 by Brittany*

**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*

**math - stats**

It is believed that at least 60% of voters from a certain region in Canada favor the free trade agreement (FTA). A recent poll indicated that out of 400 randomly selected individuals, 250 favored the FTA. If we wished to perform a test to determine whether the proportion of ...
*December 19, 2012 by barbra*

**Statistics**

To determine whether themean nicotine content of a brand of cigarettes is greater than the advertised value of 1.4 milligrams, a health advocacy program tests: Ho: mu = 1.4 Ha: mu > 1.4 The calculated value of the test statistic is z = 2.42. ==> How do I calculate the p-...
*February 27, 2011 by Emily*

**math-test statistic**

If we have a sample of 12 drawn from a normal population, then we would use as our test statistic A) z0 with 11 degrees of freedom B) t0 with 12 degrees of freedom C) z0 with 12 degrees of freedom D) t0 with 11 degrees of freedom
*December 5, 2009 by jason*

**statistics**

mortgage broker is offering home mortgages at a rate of 9.5%, but the broker is fearful that this value is higher than many others are charging. A sample of 40 mortgages filed in the county courthouse shows an average of 9.25% with a standard deviation of 8.61%. Does this ...
*June 19, 2013 by Rald*

**math**

As a a test of a new measurement process, 10 measurements are made on pieces of glass known to have conductivity 1. The average of the 10 measurements is 1.07. Indicate whether 1 and 1.07 is a parameter or statistic and explain why. I know 1.07 is a statistic. I understand the...
*February 28, 2013 by Please help*

**hypothesis statistic**

how a t Test can be employed in hypothesis testing by the use of directional vs. nondirectional hypotheses. Discuss types of research where using the t statistic may be an appropriate alternative to using a z-score. Respond to at least two of your fellow students’ postings.
*December 15, 2010 by smith*

**statistic**

will you help with my statistic class
*December 13, 2013 by Patricia*

**URGENT Statistics**

In performing two-tailed hypothesis test with v=20, you obtain a t-statistic of 2.41. The p-value is: Between 2% and 5%. I need help understanding how this range was gotten. I know that the t-statistic is between t.025 and t.01 and since this is a 2-tailed test these t-values ...
*December 10, 2010 by Rhea*

**statistic**

if the p value of the test statistic id equal to 1.36, then the p-value is
*May 8, 2014 by Anonymous*

**Statistics**

In a study that was highly published doctors discovered that aspirin helps prevent heart attacks. The research project which was scheduled to last 5 years employed 22,000 american physicians (all male). Half took an aspirin tablet 3 times a week while the other half took a ...
*February 23, 2007 by Jason L*

**Statistic**

A statistic instructor randomly selected four bags of oranges, each bag labeled 10 pounds, and weighed the bags.They weighed 10.4, 10.9 , 10.8, and 9.9 pounds.assume that the distribution of the weights is normal. Find a 95% confidence interval for the mean weight of all bags ...
*December 6, 2013 by Jaz*

**Math -- Statistic types used in public speaking**

This is actually in my communications class. I have to decide which is the best statistic type is best to use in my speech. (mean, median or mode) I am struggling to decide which statistic would be used to support the following assertions? Louisiana’s educational system has ...
*October 6, 2007 by Regina*

**statistics**

a random sample of 80 college students was selected to participate in a experiment. the mean of the sample is 317 points, the standard deviation of 37 there are 310 students that didn't complete the experiment 1. compute the appropriate test statistic? 2. what is the critical ...
*July 11, 2012 by Anonymous*

**statistics**

Find the test statistic, P-value, and critical value. Round to 3 decimal places. Claim: The mean IQ score of statistics professors is greater than 118. Sample data: n = 50, x = 120. Assume that σ = 15 and the significance level is α = .05 test statistic = P-value = ...
*April 8, 2014 by larae*

**Math**

I'm really stuck on these STATS questions.Can someone please help! 1. The probability of a car in a population having faulty brakes is .05. If we take a sample of 150 cars, find the standard deviation of the sampling distribution. 2. The strength of ten I-beams produced in a ...
*June 20, 2013 by mysterychicken*

**Math**

A candidate for a political office claims that he will win the election. A poll is conducted, and 35 of 150 voters indicate that they will vote for the candidate, 100 voters indicate that they will vote for his opponent, and 15 voters are undecided. a. What is the population ...
*October 10, 2011 by Jen*

**Math...PLEASE HELP!!!!**

A candidate for a political office claims that he will win the election. A poll is conducted, and 35 of 150 voters indicate that they will vote for the candidate, 100 voters indicate that they will vote for his opponent, and 15 voters are undecided. a. What is the population ...
*October 9, 2011 by Jen*

**stats**

Suppose i am interested in the average price of books at a bookstore. i randomly pick 15 books.? i calculate the average of those, report my findings to the newspaper. can you identify the following: a. the population under consideration b. the parameter of intrest c. the ...
*January 17, 2011 by laura*

**Math**

trying to decide between parameter and statistic for the 2 questions below. I think it is statistic for both but not sure. 1. A local newspaper conducted a survey last week. Of the 2300 subscribers, 1276 responded. Based on the survey, the editor concludes that 95% of the ...
*August 21, 2013 by Brandi*

**Math-Ms. Sue or Bob**

Can either one of you help me with the math problems I asked? I really need help and do not understand how I would calculate the sample statistic and parameter population....
*October 9, 2011 by Jen*

**statistic**

a restaurant that bills its house account monthly is concerned that the average monthly bill exceeds $200 per account. A random sample of twelve account is selected, resulting in a sample mean of $220 and a standard deviation of $12. Use a= 0.05. what is the critical value for...
*December 11, 2012 by HN*

**Math/Statistic**

If I'm doing a pearson's and need to know the percentage of predicitability... all I have to do is work out the pearon's, right?
*December 8, 2010 by Laur*

**Quantitative Analysis**

Analysis of Variance (ANOVA) results in the calculation of the F Statistic and interpretation of this statistic will inform you as to...? A. Which mean significantly differs from others B. Whether one or more of the means is significantly defferent from one or more of the ...
*November 7, 2013 by Stacie*

**Psychology Statistics**

Determine whether the numerical value is a parameter or a statistic? In a phone survey of 100 random homes in a country, 21 families had garages. Is this a parameter because the data set of 100 random homes is a population? Is this a statistic, because the data set of 100 ...
*September 9, 2011 by Margaret Sweet*

**Business math and statistic**

Tamara borrowed $6,000 at 6% and ended up paying $900 in simple interest. For how long was the loan?
*April 20, 2011 by Saida*

**eth**

Statistic 1 of the Cultural Makeup column is provided for your reference. Note: you will find only two statistics to place in the Financial row. Statistic 1 Statistic 2 Statistic 3 Cultural Makeup 13.1 million U.S. residents are Asian or Asian in combination with other races ...
*January 25, 2008 by martha*

**eth**

Statistic 1 of the Cultural Makeup column is provided for your reference. Note: you will find only two statistics to place in the Financial row. Statistic 1 Statistic 2 Statistic 3 Cultural Makeup 13.1 million U.S. residents are Asian or Asian in combination with other races ...
*January 25, 2008 by martha*

**Statistics**

It is believed that at least 60% of voters from a certain region in Canada favor the free trade agreement (FTA). A recent poll indicated that out of 400 randomly selected individuals, 250 favored the FTA. If we wished to perform a test to determine whether the proportion of ...
*January 24, 2013 by Stanley*

**math**

if two dependent samples of size 20 are used to test the difference between the means, the degrees of freedom for a t-statistic is 19, true or false
*April 28, 2014 by Anonymous*

**Psychology**

An essential part of scientific thinking is not only how to use statistics correctly, but also how to identify the misuse of statistics. Our textbook authors suggest that students should: Answer distrust all statistics because they convey a false impression of certainty and ...
*April 23, 2013 by J.J*

**Math**

The null and alternate hypotheses are: H0: π1 ≤ π2 H1: π1> π2 A sample of 100 observations from the first population indicated that X1 is 70. A sample of 150 observations from the second population revealed X2 to be 90. Use the .05 significance ...
*July 24, 2012 by John*

**math-statistics help**

A pharmaceutical manufacturer forms tablets by compressing a granular material that contains the active ingredient and var. fillers. The hardness of a sample from each lot of tablets produced is measured to control compression. The target values for the hardness are mean=11.5...
*February 21, 2007 by jisun*

**statistics**

5. A teacher wishes to compare two different groups of students with respect to their mean time to complete a standardized test. The time required is determined for each group. The data summary is given below. Test the claim at = 0.10, that there is no difference in variance. ...
*May 6, 2010 by Ima*

**eth 125**

Asian Americans According to the U.S. Census Bureau Part I Organize statistics from the U.S. Census Bureau on Asian American diversity using the matrix below. Statistic 1 of the Cultural Makeup column is provided for your reference. Note: you will find only two statistics to ...
*January 25, 2008 by martha*

**Statistics**

2 samples were collected to determine whether there was a difference between two weight loss methods targeting men. The average weight loss method is provided for the 2 samples along with the respective standard deviations. Is the second method - with an average weight loss of...
*February 27, 2007 by kristen*

**English**

What is a statistic report?
*June 2, 2012 by Juanita*

**Statistic**

TABLE 12-3 A computer used by a 24-hour banking service is supposed to randomly assign each transaction to one of 5 memory locations. A check at the end of a day's transactions gave the counts shown in the table to each of the 5 memory locations, along with the number of ...
*October 24, 2010 by WMD*

**math, statistic**

the average of the hemoglobin reading for a sample of 20 teachers was 16 gram per 100 milliliters, with a sample standard deviation of 2 grams. find the 99% confidence interval of the population mean.
*June 14, 2013 by nurul*

**Math- STATS 218**

When the following hypotheses are being tested at a level of significance of aH0: m 100 Ha: m < 100 the null hypothesis will be rejected if the test statistic Z is a. >Z b. >Z c. <Z d. <100
*July 27, 2012 by Brittany*

**Statistic**

6.16 Calculate each binomial probability: a. X = 2, n = 8, ð = .10 b. X = 1, n = 10, ð = .40 c. X = 3, n = 12, ð = .70 d. X = 5, n = 9, ð = .90
*August 27, 2010 by Kim *

**Statistic**

the percentile rank of t5 = 1.476
*October 27, 2010 by vee*

**statistic**

where to find the crime rate of US?
*March 5, 2011 by titi*

**math**

use technology to find the P-value for a two tailed test with n=28 and a test statistic t=2.032 P-value =???? Help please! i dont understand this
*May 8, 2011 by jessica*

**(math) statistic**

For a particular sample of 63 scores on a psychology exam, the following results were obtained. First quartile = 57 Third quartile = 72 Standard deviation = 9 Range = 52 Mean = 72 Median = 68 Mode = 70 Midrange = 57
*August 10, 2012 by patrena *

**statistic**

what should i know in topic hypothesis testing?
*March 14, 2011 by alya*

**statistics**

what is the critical value of this statistic at 0.05 significance.....z=1.64
*May 12, 2011 by scott*

**statistics**

what is the critical value of this statistic z=1.64 at 0.05 significance?
*May 12, 2011 by scott*

**statistic**

a numerical value for a correlation can never be
*July 22, 2013 by tp*

**prelag8**

How can a statistic be accurate but still misleading?
*December 17, 2013 by bigurl1.4*

**math check**

Assume that z is the test statistic. (Give your answers correct to two decimal places.) (d) Calculate the value of z for Ho: ì = 81, ó = 13.3, n = 51, x = 79.7. -1.16 is my answer and it is wrong, can someone tell me how I missed this one, done several and got them right but ...
*June 18, 2013 by Tom 84*

**nutrition**

Can you tell me an statistic about the sports and lifestyle!!!!!!!
*May 12, 2008 by studeldulce3427*

**statistic**

The area under a normal curve distribution is
*August 13, 2011 by Anonymous*

**statistic**

Compare the two sets and describe what you discover. 46, 47, 52, 54, 61, 64, 69 57, 57, 57, 57, 58, 61, 61
*April 18, 2013 by kylee*

**statistic**

The data (1,5), (3,16), (5,35), (7,67), (9,110) could be modeled as a linear relationship if
*December 12, 2013 by helen*

**math**

A statistic professor plans classes so carefully that the lengths of her classes are uniformly distributed between 46.0 and 56.0 minutes. Find the probability that a given class period time is less than 51.75 minutes
*November 29, 2013 by jamie*

**Business Statistics**

For H0: ¦Ð ¡Ü .60 versus H1: ¦Ð > .60, ¦Á = .05, x = 56, n = 80 how do i find the test statistic and p-value?
*May 3, 2010 by John*

**Business Statistic**

find the geometric mean of these percent increases 8, 12, 14, 26, and 5
*September 15, 2011 by Cuty*

**statistic**

How can the probability distribution of prices of new cars be described
*September 21, 2011 by Simone*

**statistic**

How can the probability distribution of prices of new cars be described
*September 21, 2011 by Simone*

**college statistic**

there are 10 candidates to fill 3 spots. how many teams can be formed
*October 21, 2012 by Anonymous*

**statistic**

find the linear transformation model of log y^ = 0.6021x + 0.4771.
*December 13, 2013 by helen*

**statistic****help*******

if three coins are tossed, what is the number of equally likely outcomes? 3 4 6 8 9
*March 19, 2014 by HELEN*

**Commerce**

Would it be called statistic, if it is said that there are 2000 students in the school
*July 10, 2014 by John*

**STATS (PLEASE CHECK)**

16-To test the hypothesis H0 : ì = 100 against H1 : ì > 100, a statistics practioner randomly sampled T observations and found the mean x = 106 and the standard deviation sx = 35. The value of the test statistic is equal to (1) 1.1743 (2) −1.7143 (3) 0.1714 (4) 17.143...
*April 1, 2010 by Judy and group*

** Business Statistics**

1- When the necessary conditions are met, a two-tail test is being conducted to test the difference between two population proportions. The two sample proportions are p1= 0.25 and p2 = 0.20 , and the standard error of the sampling distribution of p1 − p2 is 0.04. The ...
*August 11, 2009 by Lesliam*

**Stats**

Where can I find fuel efficient car sales statistic for recent years?
*October 25, 2007 by eason*

**STATISTIC**

What is the signal change of 58 with the distributed mean of 35,standard deviation 10, using .o1 level
*July 19, 2009 by JACKSON*

**statistics**

Is the standard deviation of the entire sampling distribution of means a statistic or a parameter?
*March 1, 2010 by KLM*

**statistic**

Could you show me how to find the five levels in a Hof o and reject the null problems?
*November 29, 2011 by larry*

**Statistic for healthcare professional**

calculate the sampling distribution parameters U=120,O=unknown,s+8,n=25
*September 15, 2012 by CArline*

**statistic**

A coin is tossed 6 times. Find the probability that all 6 tosses are tails.
*November 13, 2013 by Michaela*

**statistic**

Which of the following behave according to a power model? Select all that apply.
*December 13, 2013 by helen*

**Statistic**

Statistic Question: I want to first start out by thanking you for your help and I also want to inform you that I do not have a strong Math back ground and is taking an Accelerated program that included this class of which I do not understand a word of so I really need help ...
*February 3, 2011 by Tammy*

**~ Math Statistic **

A random sample of state gasoline taxes (in cents) is shown here for 12 states. Use the data to estimate the true population mean gasoline tax with 90% confidence. Does your interval contain the national average of 44.7 cents? 38.4 40.9 67 32.5 51.5 43.4 38 43.4 50.7 35.4 39.3...
*April 10, 2013 by Evan*

**math**

In a recent survey, it was determined that 1 out of 500 people had more then 6 siblings, based on this statistic what percent of people have more than 6 siblings? Please show me how to solve this!!!
*February 20, 2013 by kevin*

**Statistic**

Calculations please, Calculate the first, second, and third quartiles of the following samples. 5 8 2 9 5 3 7 4 2 7 4 10 4 3 5 23
*January 31, 2011 by Delisha*

**Statistic**

If you roll a die 35 times and 7 of the rolls result in a "5," what empirical probability was observed for the event "5"?
*September 18, 2012 by Bibi*

**statistic**

Compute a simple price index for each of the four items. Use 2000 as the base period
*May 13, 2010 by carol*

**Statistic**

If we use the ÷2 method of analysis to test for the differences among 4 proportions, the degrees of freedom are equal to: A) 3 B) 4 C) 5 D) 1
*October 24, 2010 by Anonymous*

**Random question**

Just doing a statistic here...can you name some of your favorite singers? Can be old or new.. Thanks!
*June 8, 2011 by Jess*

**statistics**

Define the terms parameter and statistic. Be sure that the concepts of population and sample are included in your definitions.
*June 22, 2011 by Liz *

**statistics**

In a statistic class, 10 scores were randomly selected with the following results were obtained: 74, 73, 87, 57, 71, 68, 65, 77, 67, 66. What are the inner fences?
*June 28, 2012 by Josh*

**Speech- Statistic needed**

Does anyone know of any websites that have statistics on the number of people that volunteer for disaster relief in the us?
*March 24, 2014 by Rebekah*

**math statistic**

The Chicago Public School system has about 680 schools. About 130 of the schools will be closed. If five schools are chosen at random find the probability that at least 3 of them will be closed.
*April 3, 2013 by Evie*

**Statistic**

A restaurant that bills its house account monthly is concerned that the average monthly bill exceeds $200 per account. A random sample of twelve accounts is selected, resulting in the sample mean of $220 and a sample standard deviation of $12. The researchers have determined ...
*October 20, 2008 by Marilyn*

Pages: **1** | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>>