MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Test the claim that the mean GPA of night students is significantly different than the mean GPA of day
students at the 0.01 significance level.
The null and alternative hypothesis would be:
Ho: N = PD Ho: N = PD Ho: PN = PD
H₁:μN <D H₁: N
UN
D
H₁: PN
PD
O
The test is:
right-tailed two-tailed
O
O
The test statistic is:
left-tailed
O
The sample consisted of 65 night students, with a sample mean GPA of 3.5 and a standard deviation of
0.08, and 70 day students, with a sample mean GPA of 3.48 and a standard deviation of 0.04.
(to 2 decimals)
The positive critical value is:
Based on this we:
Ho: PN = PD
H₁: PN <PD
O
O Reject the null hypothesis
O Fail to reject the null hypothesis
Ho: N = μD Ho: PN = PD
H₁: UN > HD H₁:PN > PD
O
O
(to 2 decimals)
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Transcribed Image Text:Test the claim that the mean GPA of night students is significantly different than the mean GPA of day students at the 0.01 significance level. The null and alternative hypothesis would be: Ho: N = PD Ho: N = PD Ho: PN = PD H₁:μN <D H₁: N UN D H₁: PN PD O The test is: right-tailed two-tailed O O The test statistic is: left-tailed O The sample consisted of 65 night students, with a sample mean GPA of 3.5 and a standard deviation of 0.08, and 70 day students, with a sample mean GPA of 3.48 and a standard deviation of 0.04. (to 2 decimals) The positive critical value is: Based on this we: Ho: PN = PD H₁: PN <PD O O Reject the null hypothesis O Fail to reject the null hypothesis Ho: N = μD Ho: PN = PD H₁: UN > HD H₁:PN > PD O O (to 2 decimals)
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