test the claim that the mean GPA of night students is larger than the mean GPA of day students at the 0.005 significance level the test is : A.) left tailed B.) two tailed C.) right tailed the sample consisited of 25 night students with a sample mean GPA of 3.05 and a standard deviation of 0.07 and 25 day students with a sample mean gpa of 3.03 and a standard deviation of 0.05.
test the claim that the mean GPA of night students is larger than the mean GPA of day students at the 0.005 significance level the test is : A.) left tailed B.) two tailed C.) right tailed the sample consisited of 25 night students with a sample mean GPA of 3.05 and a standard deviation of 0.07 and 25 day students with a sample mean gpa of 3.03 and a standard deviation of 0.05.
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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test the claim that the mean GPA of night students is larger than the mean GPA of day students at the 0.005 significance level
the test is :
A.) left tailed
B.) two tailed
C.) right tailed
the sample consisited of 25 night students with a sample mean GPA of 3.05 and a standard deviation of 0.07 and 25 day students with a sample mean gpa of 3.03 and a standard deviation of 0.05.
the test statistic is _______ ( to 2 decimals)
the p-value is:____________ (to 2 decimals)
Based on this we:
A.) fail to reject the null hypothesis
B.) Reject the null hypothesis
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