Basic Business Statistics, Student Value Edition
14th Edition
ISBN: 9780134685113
Author: Mark L. Berenson, David M. Levine, David F. Stephan, Kathryn Szabat
Publisher: PEARSON
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Chapter 12, Problem 54PS
To determine
State the condition under which Wilcoxon rank sum test is used over
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A researcher wants to test if the average performance of a new teaching method is different from the traditional teaching method in a sample of 25 students. The researcher used the Wilcoxon Signed-Ranks Test and obtained a T-value of 43. What can be concluded from the test result?
What is the critical value for a two-tailed t test when α = 0.02 and d.f. = 18?
The test statistic for a Wilcoxon signed-rank test is always the smaller of the number of the total number of positive or negative signs.
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Chapter 12 Solutions
Basic Business Statistics, Student Value Edition
Ch. 12 - Determine the critical value of 2 with 1 degree of...Ch. 12 - Determine the critical value of 2 with 1 degree of...Ch. 12 - Use the following contingency table: a. Compute...Ch. 12 - Use the following contingency table: a. Compare...Ch. 12 - An lpsos poll asked 1,004 adults “If purchasing...Ch. 12 - Prob. 6PSCh. 12 - Prob. 7PSCh. 12 - The Society for Human Resource Management (SHRM)...Ch. 12 - What Social media tools do marketers commonly use?...Ch. 12 - Docs co-browsing have positive effects on the...
Ch. 12 - Consider a contingency table, with two rows and...Ch. 12 - Use the following contingency table: a. Compute...Ch. 12 - Use the following contingency table: a. Compute...Ch. 12 - How common are financial cost or contractual...Ch. 12 - Business sensor technology provides a way for...Ch. 12 - Prob. 16PSCh. 12 - Repeat (a) and (b) of Problem 12.16, assuming that...Ch. 12 - Prob. 18PSCh. 12 - The MSCI 2016 Survey of Women of Boards Survey...Ch. 12 - Prob. 20PSCh. 12 - Prob. 21PSCh. 12 - Prob. 22PSCh. 12 - A Gallup survey across generations of workers...Ch. 12 - How often do Facebook users post? A study by the...Ch. 12 - What makes sales leaders tick? Mercuri...Ch. 12 - PwC takes a closer look at what CEOs are looking...Ch. 12 - Using Table E.6, determine the lower-and...Ch. 12 - Using Table E.6, determine the lower-tail critical...Ch. 12 - Prob. 29PSCh. 12 - Prob. 30PSCh. 12 - Prob. 31PSCh. 12 - Prob. 32PSCh. 12 - From Problem 12.32 , at the 0.05 level of...Ch. 12 - In Problems 12.32 and 12.33, what is your...Ch. 12 - A vice president for marketing recruits 20 college...Ch. 12 - Prob. 36PSCh. 12 - Is there a difference in the satisfaction rating...Ch. 12 - The management of a hotel has the business...Ch. 12 - Prob. 39PSCh. 12 - Brand valuations are critical to CEOs, financial...Ch. 12 - A bank with a branch located in a commercial...Ch. 12 - Prob. 42PSCh. 12 - Prob. 43PSCh. 12 - Prob. 44PSCh. 12 - A pet food company has the business objective of...Ch. 12 - A hospital conducted a study of the waiting time...Ch. 12 - Prob. 47PSCh. 12 - An advertising agency has been hired by a...Ch. 12 - Prob. 49PSCh. 12 - The more costly and time consuming it is to export...Ch. 12 - Prob. 51PSCh. 12 - Prob. 52PSCh. 12 - Prob. 53PSCh. 12 - Prob. 54PSCh. 12 - Prob. 55PSCh. 12 - Prob. 56PSCh. 12 - Prob. 57PSCh. 12 - Prob. 58PSCh. 12 - Prob. 59PS
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.Similar questions
- Repeat Example 5 when microphone A receives the sound 4 seconds before microphone B.arrow_forwardA random sample of 50 students was asked to estimate how much money they spent on textbooks in a year. The sample skewness of these amounts was found to be 0.83 and the sample kurtosis was 3.98. Test at the 10% level the null hypothesis that the population dis- tribution of amounts spent is normal.arrow_forwardThe test statistic of z=−1.68 is obtained when testing the claim that p<0.88. a. Using a significance level of a=0.01, find the critical value(s). b. Should we reject H 0 or should we fail to reject H 0?arrow_forward
- The test statistic of z= -1.90 is obtained when testing the claim that p<0.26. a. Using a significance level of a=0.01, find the critical value(s). b. Should we reject Upper H 0 or should we fail to reject Upper H 0?arrow_forwardThe test statistic of z=−1.58 is obtained when testing the claim that p<0.75. a. Using a significance level of α=0.01, find the critical value(s). b. Should we reject H0 or should we fail to reject H0?arrow_forwardThe decision rule for a Wilcoxon signed-rank test is always to reject H0 if W is greater than or equal to the critical value. true or falsearrow_forward
- From the following statistics, test with the Wilcoxon Rank Sum test and a level of significance of 5% to determine whether the location of population 1 is different from the location of population 2. T1=205; n1=17 T2=280; n2=18 fins the value of zarrow_forwardThe test statistic of z = −1.79 is obtained when testing the claim that p = 1/4. Using a significance level of α = 0.01, find the critical value(s). Should we reject H0 or should we fail to reject H0?arrow_forwardThe test statistic of z = - 2.71 is obtained when testing the claim that p = 1/2. Using a significance level of a = 0.05, find the critical value(s) Should we reject Ho or should we fail to reject Ho?arrow_forward
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