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Consider the hypothesis test H,: H, = H2 against H,: 4, # Hz. Suppose that sample sizes are n = 15 and n, = 15, that &, = 4.7 and 8, = 7.8, and that s = 4 and s = 6.25. Assume that of = ož and that the data are drawn from normal distributions. Use a = 0.05. Test the hypothesis. a. None among the choices b. Because -3.75<-2.048. Reject the null hypothesis at a = 0.05 O. Because -3.75 > -2.048. Fail to reject the null hypothesis at a = 0.05 O d. Because -3.75 < -2.048. Fail to reject the null hypothesis at a = 0.01

Consider the hypothesis test H,: H, = H2 against H,: 4, # Hz. Suppose that sample sizes are n = 15 and n, = 15, that &, = 4.7 and 8, = 7.8, and that s = 4 and s = 6.25. Assume that of = ož and that the data are drawn from normal distributions. Use a = 0.05. Test the hypothesis. a. None among the choices b. Because -3.75<-2.048. Reject the null hypothesis at a = 0.05 O. Because -3.75 > -2.048. Fail to reject the null hypothesis at a = 0.05 O d. Because -3.75 < -2.048. Fail to reject the null hypothesis at a = 0.01

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 H,: H1 = H2 against H,: 4, # Hz. Suppose that sample sizes are n = 15 and n, = 15, that &, = 4.7 and 8, = 7.8, and that s = 4 and s = 6.25. Assume that of = ož and that the data are drawn from normal distributions. Use a = 0.05. Test the hypothesis. a. None among the choices b. Because -3.75<-2.048. Reject the null hypothesis at a = 0.05 O. Because -3.75 > -2.048. Fail to reject the null hypothesis at a = 0.05 O d. Because -3.75 < -2.048. Fail to reject the null hypothesis at a = 0.01
Transcribed Image Text:Consider the hypothesis test H,: H1 = H2 against H,: 4, # Hz. Suppose that sample sizes are n = 15 and n, = 15, that &, = 4.7 and 8, = 7.8, and that s = 4 and s = 6.25. Assume that of = ož and that the data are drawn from normal distributions. Use a = 0.05. Test the hypothesis. a. None among the choices b. Because -3.75<-2.048. Reject the null hypothesis at a = 0.05 O. Because -3.75 > -2.048. Fail to reject the null hypothesis at a = 0.05 O d. Because -3.75 < -2.048. Fail to reject the null hypothesis at a = 0.01
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