Test the claim that the mean GPA of night students is significantly different than the mean GPA of day students at the 0.05 significance level. The null and alternative hypothesis would be: Ho:PN 2 PD Ho:PN = PD Ho: PN < PD Ho:UN SHD Ho: uN 2 HD Ho:UN = HD H1:PN < Pp H:PN # PD H1:PN > PD H1:UN >HD H1:uN < HD H1:µN # HD %3D The test is: two-tailed right-tailed left-tailed The sample consisted of 75 night students, with a sample mean GPA of 2.49 and a standard deviation of 0.07, and 75 day students, with a sample mean GPA of 2.45 and a standard deviation of 0.02. 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 the mean GPA of day students at the 0.05 significance level. The null and alternative hypothesis would be: Ho:PN 2 PD Ho:PN = PD Ho: PN < PD Ho:UN SHD Ho: uN 2 HD Ho:UN = HD H1:PN < Pp H:PN # PD H1:PN > PD H1:UN >HD H1:uN < HD H1:µN # HD %3D The test is: two-tailed right-tailed left-tailed The sample consisted of 75 night students, with a sample mean GPA of 2.49 and a standard deviation of 0.07, and 75 day students, with a sample mean GPA of 2.45 and a standard deviation of 0.02. 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

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Description: Test the claim that the mean GPA of night students is significantly different than the mean GPA ofday students at the 0.05 significance level.The null and alternative hypothesis would be:Ho:PN 2 PD Ho:PN = PD Ho: PN < PD Ho:UN HD Ho:uN 2 PD Ho: HN =

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 the mean GPA of day students at the 0.005 significance level. The null and alternative hypothesis would be: Họ: PN 2 pp Họ:N 2 D Ho: PN PD H1 : UN + UD Hị:PN + PD H1: N > uD The test is: right-tailed two-tailed left-tailed The sample consisted of 30 night students, with a sample mean GPA of 2.18 and a standard deviation of 0.07, and 30 day students, with a sample mean GPA of 2.14 and a standard deviation of 0.08. The test statistic is: (to 2 decimals) The p-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 larger than 2.9 at the 0.025 significance level. The null and alternative hypothesis would be: Ho: µ = 2.9 Ho:u > 2.9 Ho: µ 2.9 H1:p 0.725 The test is: left-tailed right-tailed two-tailed Based on a sample of 25 people, the sample mean GPA was 2.94 with a standard deviation of 0.06 The test statistic is: (to 2 decimals) The p-value is: (to 2 decimals) Based on this we: O Fail to reject the null hypothesis O Reject the null hypothesis Add Work
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Test the claim that the proportion of men who own cats is significantly different than the proportion of women who own cats at the 0.1 significance level.The null and alternative hypothesis would be: H0:μM=μFH0:μM=μFH1:μM>μFH1:μM>μF H0:pM=pFH0:pM=pFH1:pM<pFH1:pM<pF H0:μM=μFH0:μM=μFH1:μM<μFH1:μM<μF H0:μM=μFH0:μM=μFH1:μM≠μFH1:μM≠μF H0:pM=pFH0:pM=pFH1:pM≠pFH1:pM≠pF H0:pM=pFH0:pM=pFH1:pM>pFH1:pM>pF The test is: right-tailed two-tailed left-tailed Based on a sample of 80 men, 25% owned catsBased on a sample of 20 women, 45% owned catsThe test statistic is:__________ (to 2 decimals)The p-value is: _________ (to 2 decimals)Based on this we: Fail to reject the null hypothesis Reject the null hypothesis