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Consider the hypothesis test Ho : µ = 42 against H1 : µ1 # µ2 with known standard deviations o = 1I and oz = 5. Suppose that sample sizes nį = 10 and n2 15 and that I 4.8 and I2 = 7.9. Use a = 0.05. %3D (a) Test the hypothesis and find the P-value. (b) What is the power of the test in part (a) for a true difference in means of 3? (c) Assuming equal sample sizes, what sample size should be used to obtain ß = 0.05 if the true difference in means is 3? Assume that a = 0.05. (a) The null hypothesis is not rejected. The P-value is i . Round your answer to three decimal places (e.g. 98.765). (b) The power is i Round your answer to two decimal places (e.g. 98.76). (c) n1 = 12 = . Round your answer up to the nearest integer. Statistical Tables and Charts

Consider the hypothesis test Ho : µ = 42 against H1 : µ1 # µ2 with known standard deviations o = 1I and oz = 5. Suppose that sample sizes nį = 10 and n2 15 and that I 4.8 and I2 = 7.9. Use a = 0.05. %3D (a) Test the hypothesis and find the P-value. (b) What is the power of the test in part (a) for a true difference in means of 3? (c) Assuming equal sample sizes, what sample size should be used to obtain ß = 0.05 if the true difference in means is 3? Assume that a = 0.05. (a) The null hypothesis is not rejected. The P-value is i . Round your answer to three decimal places (e.g. 98.765). (b) The power is i Round your answer to two decimal places (e.g. 98.76). (c) n1 = 12 = . Round your answer up to the nearest integer. Statistical Tables and Charts

MATLAB: An Introduction with Applications
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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Consider the hypothesis test Ho : 41 = 42 against H1 :H # 42 with known standard deviations o = 11 and oz = 5. Suppose that sample sizes nį = 10 and n2 = 15 and that I = 4.8 and F = 7.9. Use a = 0.05. (a) Test the hypothesis and find the P-value. (b) What is the power of the test in part (a) for a true difference in means of 3? (c) Assuming equal sample sizes, what sample size should be used to obtain ß = 0.05 if the true difference in means is 3? Assume that a = 0.05. (a) The null hypothesis is not rejected. The P-value is i .Round your answer to three decimal places (e.g. 98.765). (b) The power is i .Round your answer to two decimal places (e.g. 98.76). (c) n1 = n2 = . Round your answer up to the nearest integer. Statistical Tables and Charts
Transcribed Image Text:Consider the hypothesis test Ho : 41 = 42 against H1 :H # 42 with known standard deviations o = 11 and oz = 5. Suppose that sample sizes nį = 10 and n2 = 15 and that I = 4.8 and F = 7.9. Use a = 0.05. (a) Test the hypothesis and find the P-value. (b) What is the power of the test in part (a) for a true difference in means of 3? (c) Assuming equal sample sizes, what sample size should be used to obtain ß = 0.05 if the true difference in means is 3? Assume that a = 0.05. (a) The null hypothesis is not rejected. The P-value is i .Round your answer to three decimal places (e.g. 98.765). (b) The power is i .Round your answer to two decimal places (e.g. 98.76). (c) n1 = n2 = . Round your answer up to the nearest integer. Statistical Tables and Charts
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