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
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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.
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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