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b. What is the level of significance? (Round your answer to 2 decimal places.) c. Compute the value of the test statistic? , sign in front of them) (Round your answer to 3 decimal places. Negative values should have a minus d. Determine the p-value (Round your final answer to 4 decimal places.) e. What is your decision regarding the null hypothesis? O Fail to reject the null. O Reject the null. Interpret the

b. What is the level of significance? (Round your answer to 2 decimal places.) c. Compute the value of the test statistic? , sign in front of them) (Round your answer to 3 decimal places. Negative values should have a minus d. Determine the p-value (Round your final answer to 4 decimal places.) e. What is your decision regarding the null hypothesis? O Fail to reject the null. O Reject the null. Interpret the

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 13PT
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b. What is the level of significance? (Round your answer to 2 decimal places.) c. Compute the value of the test statistic?, sign in front of them) (Round your answer to 3 decimal places. Negative values should have a minus d. Determine the p-value (Round your final answer to 4 decimal places.) e. What is your decision regarding the null hypothesis? O Fail to reject the null. O Reject the null. f. Interpret the result.
Transcribed Image Text:b. What is the level of significance? (Round your answer to 2 decimal places.) c. Compute the value of the test statistic?, sign in front of them) (Round your answer to 3 decimal places. Negative values should have a minus d. Determine the p-value (Round your final answer to 4 decimal places.) e. What is your decision regarding the null hypothesis? O Fail to reject the null. O Reject the null. f. Interpret the result.
A problem with a phone line that prevents a customer from receiving or making calls is upsetting to both the customer and the telecommunications company. The following are samples of 20 problems reported to two different offices of a telecommunications company and the time to clear these problems (in minutes) from the customers' lines: West Office East Office 4.55 3.75 1.52 1.75 0.78 2.85 0.10 1.10 0.60 0.52 3.30 2.10 0.52 1.60 4.15 3.97 1.48 0.58 3.10 4.02 1.02 1.53 1.11 1.68 1.74 0.93 1.60 1.27 0.80 1.09 1.05 0.6 6.32 1.9 0.62 1.42 0.79 3.93 5.45 0.97 Click here for the Excel Data File. Data file should open in a new browswer window. Select "File" then "Save As" to download the file to your computer and be able to use it in Excel. Assuming the population variances from both offices are equal, is there evidence of a difference in the mean waiting time between the two offices? (Use alpha of 0.05) a. What are the null and alternate hypotheses? Ho: (Click to select) v H1: (Click to select) v (Click to select) v (Click to select) v |(Click to select) v (Click to select) v
Transcribed Image Text:A problem with a phone line that prevents a customer from receiving or making calls is upsetting to both the customer and the telecommunications company. The following are samples of 20 problems reported to two different offices of a telecommunications company and the time to clear these problems (in minutes) from the customers' lines: West Office East Office 4.55 3.75 1.52 1.75 0.78 2.85 0.10 1.10 0.60 0.52 3.30 2.10 0.52 1.60 4.15 3.97 1.48 0.58 3.10 4.02 1.02 1.53 1.11 1.68 1.74 0.93 1.60 1.27 0.80 1.09 1.05 0.6 6.32 1.9 0.62 1.42 0.79 3.93 5.45 0.97 Click here for the Excel Data File. Data file should open in a new browswer window. Select "File" then "Save As" to download the file to your computer and be able to use it in Excel. Assuming the population variances from both offices are equal, is there evidence of a difference in the mean waiting time between the two offices? (Use alpha of 0.05) a. What are the null and alternate hypotheses? Ho: (Click to select) v H1: (Click to select) v (Click to select) v (Click to select) v |(Click to select) v (Click to select) v
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