This test statistic leads to a decision to...O reject the nullO accept the nullO fail to reject the nullAs such, the final conclusion is that...O There is sufficient evidence to warrant rejection of the claim that the population mean isgreater than 62.5.O There is not sufficient evidence to warrant rejection of the claim that the population mean isgreater than 62.5.O The sample data support the claim that the population mean is greater than 62.5.O There is not sufficient sample evidence to support the claim that the population mean isgreater than 62.5. Test the claim that the mean GPA of night students is significantly different than 2.5 at the 0.1significance level.The null and alternative hypothesis would be:Ho: µ 2 2.5 Ho:p < 0.625 Ho:p > 0.625 Ho:p= 0.625 Ho: µ < 2.5 Ho:p = 2.5H1: µ < 2.5 H1:p > 0.625 H1:p < 0.625 H1:p + 0.625 H : µ > 2.5 H:µ + 2.5The test is:left-tailed two-tailed right-tailedBased on a sample of 60 people, the sample mean GPA was 2.47 with a standard deviation of 0.07The test statistic is:(to 2 decimals)The p-value is:(to 2 decimals)Based on this we:O Reject the null hypothesisO Fail to reject the null hypothesis

Name: This test statistic leads to a decision to...O reject the nullO accep
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Description: This test statistic leads to a decision to...O reject the nullO accept the nullO fail to reject the nullAs such, the final conclusion is that...O There is sufficient evidence to warrant rejection of the claim that the population mean isgreater than

Denote μ as the true mean GPA of night students.

Math

Statistics

Test the claim that the mean GPA of night students is significantly different than 2.5 at the 0.1 significance level. The null and alternative hypothesis would be: Ho: u 2 2.5 Ho:p <0.625 Ho:p 2 0.625 Ho:p 0.625 Ho:u < 2.5 Ho:p=2.5 H1:p < 2.5 H1:p > 0.625 H1:p< 0.625 H:p+ 0.625 H1:µ > 2.5 H1:p + 2.5 %3D The test is: left-tailed two-tailed right-tailed Based on a sample of 60 people, the sample mean GPA was 2.47 with a standard deviation of 0.07 The test statistic is: (to 2 decimals) The p-value is: (to 2 decimals) Based on this we: O Reject the null hypothesis O Fail to reject the null hypothesis

Test the claim that the mean GPA of night students is significantly different than 2.5 at the 0.1 significance level. The null and alternative hypothesis would be: Ho: u 2 2.5 Ho:p <0.625 Ho:p 2 0.625 Ho:p 0.625 Ho:u < 2.5 Ho:p=2.5 H1:p < 2.5 H1:p > 0.625 H1:p< 0.625 H:p+ 0.625 H1:µ > 2.5 H1:p + 2.5 %3D The test is: left-tailed two-tailed right-tailed Based on a sample of 60 people, the sample mean GPA was 2.47 with a standard deviation of 0.07 The test statistic is: (to 2 decimals) The p-value is: (to 2 decimals) Based on this we: O Reject the null hypothesis O Fail to reject the null hypothesis

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 larger than 2.1 at the 0.05 significance level. The null and alternative hypothesis would be: Ho: 4 2.1 H1:p + 0.525 H1:p > 0.525 0.525 Ho:p 2.1 Ho:p > 0.525 Н:р + 2.1 Н:n < 2.1 Ні:р < 0.525 The test is: two-tailed right-tailed left-tailed Based on a sample of 55 people, the sample mean GPA was 2.14 with a standard deviation of 0.02 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 night students is larger than 2.7 at the .10 significance level. The null and alternative hypothesis would be: Ho: : р %3D 0.675 Но:р %3D 0.675 Но: д 3 2.7 Но:д 3 2.7 Но: Д — 2.7 Но:р %3D 0.675 Нi:р > 0.675 Hі:p 2.7 Hі:р 2 0.675 The test is: left-tailed two-tailed right-tailed Based on a sample of 55 people, the sample mean GPA was 2.72 with a standard deviation of 0.07 The test statistic is: (to 2 decimals) The critical 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 significantly different than 3.2 at the 0.2 significance level.The null and alternative hypothesis would be: (multiple choice) H0:p=0.8H0:p=0.8H1:p>0.8H1:p>0.8 H0:μ=3.2H0:μ=3.2H1:μ>3.2H1:μ>3.2 H0:p=0.8H0:p=0.8H1:p<0.8H1:p<0.8 H0:μ=3.2H0:μ=3.2H1:μ≠3.2H1:μ≠3.2 H0:μ=3.2H0:μ=3.2 H1:μ<3.2H1:μ<3.2 H0:p=0.8H0:p=0.8H1:p≠0.8H1:p≠0.8 The test is: (multiple choice) left-tailed right-tailed two-tailed Based on a sample of 30 people, the sample mean GPA was 3.17 with a standard deviation of 0.07The test statistic is: (to 2 decimals)The positive critical value is: (to 2 decimals)Based on this we: (multiple choice) Reject the null hypothesis Fail to reject the null hypothesis
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
Test the claim that the mean GPA of night students is significantly different than 3.5 at the 0.1 significance level. The null and alternative hypothesis would be: Ho: µ = 3.5 Ho: µ = 3.5 Ho:p = 0.875 Ho:µ = 3.5 Ho:p= 0.875 Ho:p=0.875 H1: µ 3.5 H1:p# 0.875 H1:p > 0.875 The test is: two-tailed right-tailed left-tailed Based on a sample of 70 people, the sample mean GPA was 3.46 with a standard deviation of 0.04 The test statistic is: (to 2 decimals) The positive critical value is: (to 2 decimals) Based on this we: O Reject the null hypothesis O Fail to reject the null hypothesis