Test the claim that the mean GPA of night students is smaller than the mean GPA of day students at the0.01 significance level.The null and alternative hypothesis would be:PDHo: PNPNPDH₁: PN PDThe test is:right-tailed two-tailedOHo: N D Ho: PN PD≤H₁N > HDOThe test statistic is:The p-value is:≥Ho: N = HD Ho: PNPD Ho: UN DH₁: PN > PD H₁: UND H₁: PN < PD H₁: UN < HDOThe sample consisted of 75 night students, with a sample mean GPA of 2.89 and a standard deviation of0.08, and 75 day students, with a sample mean GPA of 2.9 and a standard deviation of 0.07.(to 2 decimals)Based on this we:left-tailedOO Reject the null hypothesisO Fail to reject the null hypothesis(to 2 decimals)

According to the given information in this question We need to find the test statistic and p value…

Answered: Test the claim that the mean GPA of…

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 proportion of people who own cats is significantly different than 80% at the 0.02 significance level. The null and alternative hypothesis would be: Ho:µ 0.8 Ho:p= 0.8 Ho:µ = 0.8 Ho:p > 0.8 H1:µ > 0.8 H1:p > 0.8 H1:µ < 0.8 H1:p 0.8 H1:µ + 0.8 H1:p < 0.8 The test is: two-tailed right-tailed left-tailed Based on a sample of 100 people, 84% owned cats (to 2 decimals) The p-value is: 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 2.4 at the 0.05 significance level. The null and alternative hypothesis would be: Ho p≥ 0.6 Ho: p=0.6 Hop=2.4 Ho: p ≤ 0.6 Ho: ≤2.4 Ho:μ ≥ 2.4 H₁: p0.6 H₁: μ> 2.4 H₁: μ< 2.4 The test is: left-tailed right-tailed O Based on a sample of 65 people, the sample mean GPA was 2.44 with a standard deviation of 0.03 The test statistic is: (to 2 decimals) The p-value is: two-tailed O Based on this we: O Fail to reject the null hypothesis O Reject the null hypothesis (to 2 decimals)
Test the claim that the mean GPA of night students is significantly different than 3.1 at the 0.1 significance level.The null and alternative hypothesis would be: H0:p=0.775H1:p≠0.775 H0:μ≤3.1H1:μ>3.1 H0:μ≥3.1H1:μ<3.1 H0:μ=3.1H1:μ≠3.1 H0:p≥0.775H1:p<0.775 H0:p≤0.775H1:p>0.775 The test is: two-tailed left-tailed right-tailed Based on a sample of 65 people, the sample mean GPA was 3.07 with a standard deviation of 0.07The 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 proportion of people who own cats is larger than 60% at the 0.05 significance level. The null and alternative hypothesis would be: Ho:p ≤ 0.6 Ho:p> 0.6 Ho:p> 0.6 Ho: 0.6 H₁ p 0.6 Hp 0.6 H₁0.6 O The test is: right-tailed left-tailed two-tailed O Based on a sample of 700 people, 61% owned cats The test statistic is: The p-value is: Based on this we: O Fail to reject the null hypothesis O Reject the null hypothesis (to 2 decimals) (to 4 decimals)
Test the claim that the mean GPA of night students is smaller than 2.3 at the 0.10 significance level. The null and alternative hypothesis would be: Ho:u = 2.3 Ho:4> 2.3 Ho:p 0.575 Ho:p = 0.575 Ho:u 0.575 H1:p 2.3 The test is: right-tailed two-tailed left-tailed Based on a sample of 40 people, the sample mean GPA was 2.26 with a standard deviation of 0.05 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
Test the claim that the mean GPA of night students is larger than 2.3 at the 0.10 significance level. The null and alternative hypothesis would be: Ho:u = 2.3 Ho:µ 0.575 Ho:p H1:µ + 2.3 H: µ > 2.3 H1:p 0.575 / 0.575 Ho:u > 2.3 Ho:p < 0.575 o The test is: left-tailed right-tailed two-tailed Based on a sample of 80 people, the sample mean GPA was 2.31 with a standard deviation of 0.06 The p-value is: (to 2 decimals) Based on this we: O Reject the null hypothesis O Fail to reject the null hypothesis Question Help: DVideo OMessage instructor D Post to forum Cuhmit Oauntion P Type here to search %3 HEWLETT-PACKARD 米 IOI fo 144 A 2# 2$ 4 % & 3. 6. 7. R Y. D
Test the claim that the mean GPA of night students is smaller than 2.2 at the 0.005 significance level. The null and alternative hypothesis would be: Ho: u 0.55 Ho:p 2.2 o H1:µ > 2.2 H1:p 0.55 H1:p # 0.55 H1: µ 7 2.2 H1: p < 2.2 The test is: two-tailed right-tailed left-tailed o Based on a sample of 65 people, the sample mean GPA was 2.18 with a standard deviation of 0.06 The test statistic is: (to 2 decimals) The p-value is: (to 2 decimals) Rased on thic we P Type here to search HEWLETT - PAC ARD 12 esc 14 * 144 @ #3 $ % 1 3. 4 & 8. tab Q W T. Y. lock D F G C V.
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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
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