What is/are the critical value(s) of the z-test statistic for this hypothesis test, where α = 0.05? Use the appropriate value(s)from the table. Use a comma and a space to separate answers as needed.Z0.10Z0.05 Z0.025 o.01 0.0051.282 645 1960 2.326 2.576Provide your answer below:critical value(s)-

Obtaining the critical value for z-test at α = 0.05:Here the significance level is α = 0.05.The…

Answered: What is/are the critical value(s) 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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A sample of 10 male and 10 female students were surveyed and their weights were recorded. The results are summarized in the table. Test for the hypothesis that the weight of female students is less than the weight of male students, at a=0.05. Male Female 70 55 62 56 72 55 69 65 54 50 73 50 83 46 93 47 72 104 74 49 a. What are the null and alternative hypotheses?b. What is the critical value? (4 decimal points)c. What is the test statistic? (4 decimal points)d. Reject or accept null hypothesis?
For a one-tailed hypothesis test, the critical z value of the test statistic is -2.33. Which of the following is true about the significance level and the rejection region for the hypothesis test? a. α = 0.05 for a left-tailed test b. α = 0.05 for an right-tailed test c. α = 0.01 for a left-tailed test d. α = 0.01 for an right-tailed test
Using the z table (Table E), find the critical value (or values) for each of the following significance levels in conducting a hypothesis test. 0.01, left-tailed test 0.10, two-tailed test. 0.01, right-tailed test. 0.04, left-tailed test 0.02, right-tailed test 0.02, two-tailed test
Which of the following is the value necessary for rejection (or nonacceptance) of the null hypothesis? 1. The critical value 2. The obtained value 3. Type I error 4. Type II error
In the test of a certain hypothesis the p-valuecorresponding to the test statistics is 0.0316. Can the null hypothesis be rejected at the; i. 0.01 level of significance? ii. 0.05 level of significance? iii. 0.10 level of significanc
Determine which of the following statements are true about the critical region. The critical region is a term used when the null hypothesis is rejected. The critical region is comprised of extreme sample values that are very unlikely to be obtained if the alternative hypothesis is true. The critical regions is determined by the alpha level. The critical region is comprised of extreme samples values that are very unlikely to be obtained if the null hypothesis is true
Test the claim that the mean GPA of night students is smaller than 2.3 at the 0.05 significance level.The null and alternative hypothesis would be: 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: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: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 The test is: two-tailed left-tailed right-tailed Based on a sample of 30 people, the sample mean GPA was 2.26 with a standard deviation of 0.08The 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
The test statistic of z=1.79 is obtained when testing the claim that p≠0.576. a. Identify the hypothesis test as being two-tailed, left-tailed, or right-tailed. b. Find the P-value. c. Using a significance level of α=0.10, should we reject H0 or should we fail to reject H0?
The test statistic of z=1.31 is obtained when testing the claim that p≠0.551. a. Identify the hypothesis test as being two-tailed, left-tailed, or right-tailed. b. Find the P-value. c. Using a significance level of α=0.01, should we reject H0 or should we fail to reject H0?
The test statistic of z=1.54 is obtained when testing the claim that p=0.723. a. Identify the hypothesis test as being two-tailed, left-tailed, or right-tailed. b. Find the P-value. c. Using a significance level of a=0.10, should we reject H0 or should we fail to reject H0?
The P-value for a hypothesis test is 0.06. For each of the fol-lowing significance levels, decide whether the null hypothesis should be rejected. a. α = 0.05b. α = 0.10 c. α = 0.06
Test the claim that the mean GPA of night students is smaller than 2.6 at the 0.01 significance level.The null and alternative hypothesis would be: H0:μ≤2.6H0:μ≤2.6H1:μ>2.6H1:μ>2.6 H0:μ=2.6H0:μ=2.6H1:μ≠2.6H1:μ≠2.6 H0:p≥0.65H0:p≥0.65H1:p<0.65H1:p<0.65 H0:p≤0.65H0:p≤0.65H1:p>0.65H1:p>0.65 H0:μ≥2.6H0:μ≥2.6H1:μ<2.6H1:μ<2.6 H0:p=0.65H0:p=0.65H1:p≠0.65H1:p≠0.65 The test is: left-tailed two-tailed right-tailed Based on a sample of 80 people, the sample mean GPA was 2.59 with a standard deviation of 0.03The test statistic is: (to 2 decimals)The p-value is: (to 2 decimals)Based on this we: Reject the null hypothesis Fail to reject the null hypothesis

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