Test the claim that the mean GPA of night students is larger than 2 at the 0.10 significance level.The null and alternative hypothesis would be:Ho p= 0.5 Ho:p ≥ 0.5 Ho:p ≤ 0.5H₁:p 0.5 H₁:p < 0.5 H₁:p > 0.5The test is:right-tailed left-tailed two-tailedBased on a sample of 25 people, the sample mean GPA was 2.02 with a standard deviation of 0.07The p-value is:Based on this we:Ho:μ = 2 Ho:μ ≥ 2 Ho: ≤2H₁:μ ‡ 2 H₁:μ < 2 H₁: > 2Reject the null hypothesisO Fail to reject the null hypothesis(to 2 decimals)

given data claim : μ > 2n = 25x¯ = 2.02s = 0.07α = 0.10

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 men who own cats is significantly different than 15% at the 0.01 significance level. The null and alternative hypothesis would be: Ho:p 0.15 Ho:p= 0.15 Ho:u = Ho:u= Ho:= Ho:p 0.15 o H1:p> 0.15 H:p H:p# H: < H:p 0.15 |3D %3D O.
Test the claim that the mean GPA of night students is significantly different than 2.2 at the 0.01 significance level. The null and alternative hypothesis would be: Но: и > 2.2 Но: и H1: µ 0.55 На:р > 2.2 Hi:р > 0.55 H:р < 0.55 The test is: right-tailed two-tailed left-tailed Based on a sample of 60 people, the sample mean GPA was 2.24 with a standard deviation of 0.03 The p-value is: (to 2 decimals)
Test the claim that the mean GPA of night students is larger than 3.1 at the .10 significance level.The null and alternative hypothesis would be: 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 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 Correct The test is: left-tailed right-tailed two-tailed Correct Based on a sample of 60 people, the sample mean GPA was 3.15 with a standard deviation of 0.05The test statistic is: Correct (to 2 decimals)The critical value is: Incorrect (to 2 decimals)Based on this we: Reject the null hypothesis Fail to reject the null hypothesis Hi can you show me how to get crictical value for this question? Please, can you show without excel? thank you.
Test the claim that the mean GPA of night students is smaller than 3.4 at the .005 significance level.The null and alternative hypothesis would be: H0:p=0.85H0:p=0.85H1:p>0.85H1:p>0.85 H0:p=0.85H0:p=0.85H1:p≠0.85H1:p≠0.85 H0:μ=3.4H0:μ=3.4H1:μ≠3.4H1:μ≠3.4 H0:p=0.85H0:p=0.85H1:p<0.85H1:p<0.85 H0:μ=3.4H0:μ=3.4H1:μ>3.4H1:μ>3.4 H0:μ=3.4H0:μ=3.4H1:μ<3.4H1:μ<3.4 The test is: -left-tailed -two-tailed -right-tailed Based on a sample of 20 people, the sample mean GPA was 3.35 with a standard deviation of 0.08The test statistic is: (to 2 decimals)The critical value is: (to 2 decimals)Based on this we: -Reject the null hypothesis -Fail to reject the null hypothesis
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 proportion of men who own cats is significantly different than 90% at the 0.02 significance level. The null and alternative hypothesis would be: Ho: 0.9 Ho:p = 0.9 Ho:μ = 0.9 Ho:p = 0.9 Ho:μ = 0.9 Ho:p = 0.9 H₁1:μ 0.9 H₁:p> 0.9 = The test is: two-tailed right-tailed left-tailed Based on a sample of 45 people, 99% owned cats The test statistic is: The positive critical value is: Based on this we: O Reject the null hypothesis O Fail to reject the null hypothesis (to 2 decimals) (to 2 decimals)
A publisher reports that 46% of their readers own a Jaguar. A marketing executive wants to test the claim that the percentage is actually more than the reported percentage. A random sample of 220 readers found that 50% of the readers owned a Jaguar. Is there sufficient evidence at the 0.05 level of significance to support the executive’s claim? H0: p = 0.46 Ha: p  >> 0.46 Is this a one-tailed or a two-tailed test? Explain your reasoning.
Test the claim that the mean GPA of night students is smaller than 2.1 at the .005 significance level.The null and alternative hypothesis would be: H0:p=0.525H0:p=0.525H1:p<0.525H1:p<0.525 H0:p=0.525H0:p=0.525H1:p>0.525H1:p>0.525 H0:p=0.525H0:p=0.525H1:p≠0.525H1:p≠0.525 H0:μ=2.1H0:μ=2.1H1:μ≠2.1H1:μ≠2.1 H0:μ=2.1H0:μ=2.1H1:μ<2.1H1:μ<2.1 H0:μ=2.1H0:μ=2.1H1:μ>2.1H1:μ>2.1 The test is: left-tailed right-tailed two-tailed Based on a sample of 75 people, the sample mean GPA was 2.06 with a standard deviation of 0.07The 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 smaller than 2.2 at the .05 significance level. The null and alternative hypothesis would be? H0:μ=2.2H0:μ=2.2H1:μ>2.2H1:μ>2.2 H0:μ=2.2H0:μ=2.2H1:μ≠2.2H1:μ≠2.2 H0:p=0.55H0:p=0.55H1:p≠0.55H1:p≠0.55 H0:μ=2.2H0:μ=2.2H1:μ<2.2H1:μ<2.2 H0:p=0.55H0:p=0.55H1:p>0.55H1:p>0.55 H0:p=0.55H0:p=0.55H1:p<0.55H1:p<0.55 Based on a sample of 60 people, the sample mean GPA was 2.19 with a standard deviation of 0.06The test statistic is:  (to 2 decimals)The critical value is:  (to 2 decimals)
Test the claim that the mean GPA of night students is significantly different than 2.3 at the 0.1 significance level.The null and alternative hypothesis would be: H0:μ=2.3H0:μ=2.3H1:μ>2.3H1:μ>2.3 H0:μ=2.3H0:μ=2.3H1:μ<2.3H1:μ<2.3 H0:p=0.575H0:p=0.575H1:p<0.575H1:p<0.575 H0:p=0.575H0:p=0.575H1:p>0.575H1:p>0.575 H0:p=0.575H0:p=0.575H1:p≠0.575H1:p≠0.575 H0:μ=2.3H0:μ=2.3H1:μ≠2.3H1:μ≠2.3 The test is: left-tailed two-tailed right-tailed Based on a sample of 50 people, the sample mean GPA was 2.34 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: Reject the null hypothesis Fail to reject the null hypothesis
Test the claim that the proportion of people who own cats is significantly different than 90% at the 0.05 significance level. The null and alternative hypothesis would be: 0.9 Но: и H1:p + 0.9 H1:µ # 0.9 H1:p > 0.9 Но: р 0.9 Ho:p 0.9 Ho:H> 0.9 H1: µ > 0.9 H1:p < 0.9 H1:H < 0.9 The test is: right-tailed left-tailed two-tailed Based on a sample of 100 people, 83% owned cats
Test the claim that the mean GPA of night students is smaller than 2.4 at the 0.10 significance level. The null and alternative hypothesis would be: Ho:u > 2.4 Ho:p > 0.6 Ho:p 0.6 H1: µ > 2.4 H1:p# 0.6 H1:µ # 2.4 The test is: right-tailed left-tailed two-tailed Based on a sample of 45 people, the sample mean GPA was 2.36 with a standard deviation of 0.08 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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