Test the claim that the mean GPA of night students is significantly different than the mean GPA of day students at the 0.02 significance level. The null and alternative hypothesis would be: Ho: HN = HD Ho:HN 2 HD Ho:PN = PD Ho:PN 2 PD Ho:PN S PD Ho:HN s HD H1: µN + HD H1: µN < HD H1:PN # PD H1:PN < PD H1:PN > PD H1: µN > HD The test is: right-tailed two-tailed left-tailed The sample consisted of 40 night students, with a sample mean GPA of 2.64 and a standard deviation of 0.02, and 75 day students, with a sample mean GPA of 2.62 and a standard deviation of 0.04. test statistic -
Test the claim that the mean GPA of night students is significantly different than the mean GPA of day students at the 0.02 significance level. The null and alternative hypothesis would be: Ho: HN = HD Ho:HN 2 HD Ho:PN = PD Ho:PN 2 PD Ho:PN S PD Ho:HN s HD H1: µN + HD H1: µN < HD H1:PN # PD H1:PN < PD H1:PN > PD H1: µN > HD The test is: right-tailed two-tailed left-tailed The sample consisted of 40 night students, with a sample mean GPA of 2.64 and a standard deviation of 0.02, and 75 day students, with a sample mean GPA of 2.62 and a standard deviation of 0.04. test statistic -
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
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