Test the claim that the mean GPA of night students is significantly different than 2.7 at the 0.04 significance level. The null and alternative hypotheses would be: H0:μ=2.7H0:μ=2.7 H1:μ≠2.7H1:μ≠2.7 H0:p=0.675H0:p=0.675 H1:p>0.675H1:p>0.675 H0:p=0.675H0:p=0.675 H1:p<0.675H1:p<0.675 H0:μ=2.7H0:μ=2.7 H1:μ>2.7H1:μ>2.7 H0:p=0.675H0:p=0.675 H1:p≠0.675H1:p≠0.675 H0:μ=2.7H0:μ=2.7 H1:μ<2.7H1:μ<2.7 The test is: left-tailed two-tailed right-tailed Based on a sample of 30 people, the sample mean GPA was 2.66 with a standard deviation of 0.16 The p-value is: (to 3 decimals) The positive significance level 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 night students is significantly different than 2.7 at the 0.04 significance level. The null and alternative hypotheses would be: H0:μ=2.7H0:μ=2.7 H1:μ≠2.7H1:μ≠2.7 H0:p=0.675H0:p=0.675 H1:p>0.675H1:p>0.675 H0:p=0.675H0:p=0.675 H1:p<0.675H1:p<0.675 H0:μ=2.7H0:μ=2.7 H1:μ>2.7H1:μ>2.7 H0:p=0.675H0:p=0.675 H1:p≠0.675H1:p≠0.675 H0:μ=2.7H0:μ=2.7 H1:μ<2.7H1:μ<2.7 The test is: left-tailed two-tailed right-tailed Based on a sample of 30 people, the sample mean GPA was 2.66 with a standard deviation of 0.16 The p-value is: (to 3 decimals) The positive significance level 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
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
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Test the claim that the mean GPA of night students is significantly different than 2.7 at the 0.04 significance level.
The null and alternative hypotheses would be:
H0:μ=2.7H0:μ=2.7
H1:μ≠2.7H1:μ≠2.7
H1:μ≠2.7H1:μ≠2.7
H0:p=0.675H0:p=0.675
H1:p>0.675H1:p>0.675
H1:p>0.675H1:p>0.675
H0:p=0.675H0:p=0.675
H1:p<0.675H1:p<0.675
H1:p<0.675H1:p<0.675
H0:μ=2.7H0:μ=2.7
H1:μ>2.7H1:μ>2.7
H1:μ>2.7H1:μ>2.7
H0:p=0.675H0:p=0.675
H1:p≠0.675H1:p≠0.675
H1:p≠0.675H1:p≠0.675
H0:μ=2.7H0:μ=2.7
H1:μ<2.7H1:μ<2.7
H1:μ<2.7H1:μ<2.7
The test is:
left-tailed
two-tailed
right-tailed
Based on a sample of 30 people, the sample mean GPA was 2.66 with a standard deviation of 0.16
The p-value is: (to 3 decimals)
The positive significance level is: (to 2 decimals)
Based on this we:
- Reject the null hypothesis
- Fail to reject the null hypothesis
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