Test the claim that the mean GPA of Orange Coast students is significantly different than the mean GPA of Coastline students at the 0.02 significance level. The null and alternative hypothesis would be: H0:pO≥pCH0:pO≥pC H1:pOμCH1:μO>μC H0:pO≤pCH0:pO≤pC H1:pO>pCH1:pO>pC H0:μO=μCH0:μO=μC H1:μO≠μCH1:μO≠μC H0:pO=pCH0:pO=pC H1:pO≠pCH1:pO≠pC The test is: right-tailed left-tailed two-tailed The sample consisted of 70 Orange Coast students, with a sample mean GPA of 3.49 and a standard deviation of 0.04, and 70 Coastline students, with a sample mean GPA of 3.51 and a standard deviation of 0.06. The test statistic is: (to 2 decimals) The p-value is: (to 2 decimals) Based on this we: Reject the null hypothesis Fail to reject the null hypothesis
Test the claim that the mean GPA of Orange Coast students is significantly different than the mean GPA of Coastline students at the 0.02 significance level. The null and alternative hypothesis would be: H0:pO≥pCH0:pO≥pC H1:pOμCH1:μO>μC H0:pO≤pCH0:pO≤pC H1:pO>pCH1:pO>pC H0:μO=μCH0:μO=μC H1:μO≠μCH1:μO≠μC H0:pO=pCH0:pO=pC H1:pO≠pCH1:pO≠pC The test is: right-tailed left-tailed two-tailed The sample consisted of 70 Orange Coast students, with a sample mean GPA of 3.49 and a standard deviation of 0.04, and 70 Coastline students, with a sample mean GPA of 3.51 and a standard deviation of 0.06. The test statistic is: (to 2 decimals) The p-value is: (to 2 decimals) Based on this we: Reject the null hypothesis Fail to reject the null hypothesis
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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Test the claim that the mean GPA of Orange Coast students is significantly different than the mean GPA of Coastline students at the 0.02 significance level.
The null and alternative hypothesis would be:
H0:pO≥pCH0:pO≥pC
H1:pO<pCH1:pO<pC
H1:pO<pCH1:pO<pC
H0:μO≥μCH0:μO≥μC
H1:μO<μCH1:μO<μC
H1:μO<μCH1:μO<μC
H0:μO≤μCH0:μO≤μC
H1:μO>μCH1:μO>μC
H1:μO>μCH1:μO>μC
H0:pO≤pCH0:pO≤pC
H1:pO>pCH1:pO>pC
H1:pO>pCH1:pO>pC
H0:μO=μCH0:μO=μC
H1:μO≠μCH1:μO≠μC
H1:μO≠μCH1:μO≠μC
H0:pO=pCH0:pO=pC
H1:pO≠pCH1:pO≠pC
H1:pO≠pCH1:pO≠pC
The test is:
right-tailed
left-tailed
two-tailed
The sample consisted of 70 Orange Coast students, with a sample mean GPA of 3.49 and a standard deviation of 0.04, and 70 Coastline students, with a sample mean GPA of 3.51 and a standard deviation of 0.06.
The test statistic is: (to 2 decimals)
The p-value is: (to 2 decimals)
Based on this we:
- Reject the null hypothesis
- Fail to reject the null hypothesis
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