Test the claim that the mean GPA of night students is significantly different than 3 at the 0.005 significance level. The null and alternative hypothesis would be: H,:µ = 3 Ho:p = 0.75 Ho:p= 0.75 Ho:µ = 3 H,:µ = 3 Ho:p= 0.75 H1:µ < 3 H1:p + 0.75 H1:p > 0.75 H1:µ > 3 H1:µ # 3 H1:p < 0.75 The test is: two-tailed left-tailed right-tailed Based on a sample of 75 people, the sample mean GPA was 3.05 with a standard deviation of 0.06 The test statistic is: |(to 2 decimals) The p-value is: 00 00 (to 2 decimals) Based on this we: Fail to reject the null hypothesis Reject the null hypothesis

Test the claim that the mean GPA of night students is significantly different than 3 at the 0.005 significance level. The null and alternative hypothesis would be: H,:µ = 3 Ho:p = 0.75 Ho:p= 0.75 Ho:µ = 3 H,:µ = 3 Ho:p= 0.75 H1:µ < 3 H1:p + 0.75 H1:p > 0.75 H1:µ > 3 H1:µ # 3 H1:p < 0.75 The test is: two-tailed left-tailed right-tailed Based on a sample of 75 people, the sample mean GPA was 3.05 with a standard deviation of 0.06 The test statistic is: |(to 2 decimals) The p-value is: 00 00 (to 2 decimals) Based on this we: Fail to reject the null hypothesis Reject the null hypothesis

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Description: Test the claim that the mean GPA of night students is significantly different than 3 at the 0.005significance level.The null and alternative hypothesis would be:Ho:µ = 3 Ho:p = 0.75 Ho:p= 0.75 Ho:µ = 3 Ho:µ = 3 Ho:p = 0.75Н:р 0.7

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Test the claim that the mean GPA of night students is smaller than 3.1 at the 0.01 significance level.The null and alternative hypothesis would be: H0:μ=3.1H0:μ=3.1H1:μ≠3.1H1:μ≠3.1 H0:μ≥3.1H0:μ≥3.1H1:μ<3.1H1:μ<3.1 H0:p≥0.775H0:p≥0.775H1:p<0.775H1:p<0.775 H0:p≤0.775H0:p≤0.775H1:p>0.775H1:p>0.775 H0:p=0.775H0:p=0.775H1:p≠0.775H1:p≠0.775 H0:μ≤3.1H0:μ≤3.1H1:μ>3.1H1:μ>3.1 The test is: left-tailed right-tailed two-tailed Based on a sample of 75 people, the sample mean GPA was 3.07 with a standard deviation of 0.06The 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 night students is smaller than 3.4 at the 0.025 significance level. The null and alternative hypothesis would be: Ho:p = 0.85 Ho:µ 0.85 Ho:µ= 3.4 Ho:µ > 3.4 H1:p + 0.85 H1:µ > 3.4 H1:p > 0.85 H1:p < 0.85 H1:µ # 3.4 H1:µ < 3.4 The test is: right-tailed two-tailed left-tailed Based on a sample of 20 people, the sample mean GPA was 3.39 with a standard deviation of 0.02 The p-value is: (to 2 decimals) Based on this we: O Fail to reject the null hypothesis O Reject the null hypothesis
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Test the claim that the mean GPA of night students is smaller than 3.3 at the .025 significance level.The null and alternative hypothesis would be: H0:μ=3.3 H1:μ≠3.3 H0:p=0.825 H1:p≠0.825 H0:μ=3.3 H1:μ<3.3 H0:p=0.825 H1:p<0.825 H0:μ=3.3 H1:μ>3.3 H0:p=0.825 H1:p>0.825 The test is: two-tailed right-tailed left-tailed Based on a sample of 80 people, the sample mean GPA was 3.28 with a standard deviation of 0.08The test statistic is: (to 2 decimals)The critical value is: (to 2 decimals)Based on this we: Fail to reject the null hypothesis Reject the null hypothesis