The P-value for a hypothesis test is 0.068. For each of the following significance levels, decide whether the null hypothesis should be rejected.a. α = 0.05b. x = 0.10a. Determine whether the null hypothesis should be rejected for x = 0.05.A. Reject the null hypothesis because the P-value is greater than the significance level.B. Reject the null hypothesis because the P-value is equal to or less than the significance level.C. Do not reject the null hypothesis because the P-value is greater than the significance level.D. Do not reject the null hypothesis because the P-value is equal to or less than the significance level.b. Determine whether the null hypothesis should be rejected for x = 0.10.A. Do not reject the null hypothesis because the P-value is equal to or less than the significance level.B. Reject the null hypothesis because the P-value is equal to or less than the significance level.C. Do not reject the null hypothesis because the P-value is greater than the significance level.D. Reject the null hypothesis because the P-value is greater than the significance level.

Given: P value=0.068 If the p-value is less than or equal to the significance level (a), we can…

Answered: The P-value for a hypothesis test is…

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 smaller than the proportion of women who own cats at the .01 significance level. The null and alternative hypothesis would be: = PF Ho: M MF Ho: PM = PF Ho: M = μF Ho:μπ HF Ho: PM H₁:μM > μF H₁:PM
The test statistic of z=1.68 is obtained when testing the claim that p≠0.282. 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=0.05, should we reject H0 or should we fail to reject H0?
Find the P-value that corresponds to the given standard score, and determine whether to reject the null hypothesis at the 0.05 significance level. Is the alternative hypothesis supported? z=2.6 for Hoμ=149 pounds and H₂: μ* 149 pounds
Assume that you plan to use a significance level of a = 0.05 to test the claim that p, =P2. Use the given sample sizes and numbers of successes to find the p-value for the hypothesis test. n1 = 50, n2 = 75 X1 = 20, x2 = 15 Co secw O A. 0.1201 O B. 0.0032 O C. 0.0146 D. 0.0001
(c) Write a conclusion for this hypothesis test assuming an a= 0.05 level of significance. OA. Reject the null hypothesis. There is not sufficient evidence to conclude that the mean height of women 20 years of age or older is greater today. OB. Reject the null hypothesis. There is sufficient evidence to conclude that the mean height of women 20 years of age or older is greater today. C. Do not reject the null hypothesis. There is not sufficient evidence to conclude that the mean height of women 20 years of age or older is greater today. OD. Do not reject the null hypothesis. There is sufficient evidence to conclude that the mean height of women 20 years of age or older is greater today.
Identify the type I error and the type II error that corresponds to the given hypothesis. The proportion of people who write with their left hand is equal to 0.23. Which of the following is a type I error? A. Reject the claim that the proportion of people who write with their left hand is 0.23 when the proportion is actually different from 0.23. B. Reject the claim that the proportion of people who write with their left hand is 0.23 when the proportion is actually 0.23. C. Fail to reject the claim that the proportion of people who write with their left hand is 0.23 when the proportion is actually different from 0.23. O D. Fail to reject the claim that the proportion of people who write with their left hand is 0.23 when the proportion is actually 0.23. Which of the following is a type Il error? O A. Reject the claim that the proportion of people who write with their left hand is 0.23 when the proportion is actually different from 0.23. B. Fail to reject the claim that the proportion of…
None
The test statistic of z=2.77 is obtained when testing the claim that p≠0.684. 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?
Match each of the hypothesis test conclusions below to the corresponding p-value. There is not enough evidence to reject the null hypothesis at any reasonable significance level. The evidence against the null and in favor of the alternative hypothesis is extremely strong. The evidence against the null hypothesis is statistically significant at the 10% level, but not at the 5% level. The result is statistically significant at the 5% level but not at the 1% level. I. p-value = .0003 II. p-value = .317 III. p-value = .089 IV. p-value = .039
Identify the type I error and the type II error that corresponds to the given hypothesis. The proportion of people who write with their left hand is equal to 0.31. Which of the following is a type I error? O A. Fail to reject the claim that the proportion of people who write with their left hand is 0.31 when the proportion is actually 0.31. B. Reject the claim that the proportion of people who write with their left hand is 0.31 when the proportion is actually 0.31. O C. Reject the claim that the proportion of people who write with their left hand is 0.31 when the proportion is actually different from 0.31. D. Fail to reject the claim that the proportion of people who write with their left hand is 0.31 when the proportion is actually different from 0.31.
Consider the following competing hypotheses: Ho:μ = 0, HA:μ ≠ 0. The value of the test statistic is z = −1.56. If we choose a 5% significance level, then we __________.
For each of the following exercises, carry out the ten-step hypothesis testing procedure at the des- ignated level of significance. For each exercise, as appropriate, explain why you chose a one-sided test or a two-sided test. Discuss how you think researchers or clinicians might use the results of your hypothesis test. What clinical or research decisions or actions do you think would be appropriate in light of the results of your test? 7.5.1 Jacquemyn et al. (A-18) conducted a survey among gynecologists-obstetricians in the Flanders region and obtained 295 responses. Of those responding, 90 indicated that they had performed at least one cesarean section on demand every year. Does this study provide sufficient evidence for us to conclude that less than 35 percent of the gynecologists-obstetricians in the Flanders region perform at least one cesarean section on demand each year? Let a = = .05.

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