Consider the following hypothesis test: Ho: μ 25 Ha: μ > 25 A sample of 40 provided a sample mean of 26.4. The population standard deviation is 5. a. Compute the value of the test statistic (to 2 decimals) 1.77 b. What is the p-value (to 4 decimals)2 0.9599 C, At α-.01, what is your conclusion? p-value is greater than 0.01, do not reject d. What is the rejection rule using the critical value? Reject H o if z is greater than or equal to 2.33

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Consider the following hypothesis test:
Ho: μ 25
Ha: μ > 25
A sample of 40 provided a sample mean of 26.4. The population standard deviation is 5.
a. Compute the value of the test statistic (to 2 decimals)
1.77
b. What is the p-value (to 4 decimals)2
0.9599
C, At α-.01, what is your conclusion?
p-value is greater than 0.01, do not reject
d. What is the rejection rule using the critical value?
Reject H o if z is greater than or equal to 2.33
Transcribed Image Text:Consider the following hypothesis test: Ho: μ 25 Ha: μ > 25 A sample of 40 provided a sample mean of 26.4. The population standard deviation is 5. a. Compute the value of the test statistic (to 2 decimals) 1.77 b. What is the p-value (to 4 decimals)2 0.9599 C, At α-.01, what is your conclusion? p-value is greater than 0.01, do not reject d. What is the rejection rule using the critical value? Reject H o if z is greater than or equal to 2.33
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