Test the claim that the mean GPA of night students is larger than the mean GPA of day students at the .005 significance level. The null and alternative hypothesis would be: The test is: A. right-tailed B. left-tailed C. two-tailed The sample consisted of 75 night students, with a sample mean GPA of 3.23 and a standard deviation of 0.06, and 60 day students, with a sample mean GPA of 3.2 and a standard deviation of 0.08. test statistic =
Test the claim that the mean GPA of night students is larger than the mean GPA of day students at the .005 significance level. The null and alternative hypothesis would be: The test is: A. right-tailed B. left-tailed C. two-tailed The sample consisted of 75 night students, with a sample mean GPA of 3.23 and a standard deviation of 0.06, and 60 day students, with a sample mean GPA of 3.2 and a standard deviation of 0.08. test statistic =
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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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 .005 significance level.
The null and alternative hypothesis would be:
The test is:
A. right-tailed
B. left-tailed
C. two-tailed
The sample consisted of 75 night students, with a sample mean GPA of 3.23 and a standard deviation of 0.06, and 60 day students, with a sample mean GPA of 3.2 and a standard deviation of 0.08.
test statistic =
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