A sample mean, sample standard deviation, and sample size are given. Use the one-mean t-test to perform the required hypothesis test about the mean, µ, of the population from which the sample was drawn. Use the critical-value approach. x= 24.4, s = 9.2, n= 25, Ho: µ = 26, Hạ: H < 26, a = 0.05 O A. Test statistic: t= - 4.35. Critical value: t= - 1.711. Reject Ho. There is sufficient evidence to conclude that the mean is less than 26. O B. Test statistic: t= - 0.87. Critical value: t= - 1.708. Do not reject Ho. There is not sufficient evidence to conclude that the mean is less than 26. OC. Test statistic: t= - 0.87. Critical value: t= - 1.711. Do not reject Ho. There is not sufficient evidence to conclude that the mean is less than 26. O D. Test statistic: t= - 4.35. Critical value: t= - 1.708. Reject Ho. There is sufficient evidence to conclude that the mean is less than 26.
A sample mean, sample standard deviation, and sample size are given. Use the one-mean t-test to perform the required hypothesis test about the mean, µ, of the population from which the sample was drawn. Use the critical-value approach. x= 24.4, s = 9.2, n= 25, Ho: µ = 26, Hạ: H < 26, a = 0.05 O A. Test statistic: t= - 4.35. Critical value: t= - 1.711. Reject Ho. There is sufficient evidence to conclude that the mean is less than 26. O B. Test statistic: t= - 0.87. Critical value: t= - 1.708. Do not reject Ho. There is not sufficient evidence to conclude that the mean is less than 26. OC. Test statistic: t= - 0.87. Critical value: t= - 1.711. Do not reject Ho. There is not sufficient evidence to conclude that the mean is less than 26. O D. Test statistic: t= - 4.35. Critical value: t= - 1.708. Reject Ho. There is sufficient evidence to conclude that the mean is less than 26.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Transcribed Image Text:A sample mean, sample standard deviation, and sample size are given. Use the one-mean t-test to perform the required
hypothesis test about the mean, µ, of the population from which the sample was drawn. Use the critical-value approach.
x= 24.4, s = 9.2, n= 25, Ho: H= 26, Hạ: µ < 26, a = 0.05
%3D
O A. Test statistic: t= - 4.35. Critical value: t= - 1.711. Reject Ho. There is sufficient evidence to conclude that the
mean is less than 26.
O B. Test statistic: t= - 0.87. Critical value: t= - 1.708. Do not reject Ho. There is not sufficient evidence to conclude
that the mean is less than 26.
Oc. Test statistic: t= - 0.87. Critical value: t= - 1.711. Do not reject Ho. There is not sufficient evidence to conclude
that the mean is less than 26.
O D. Test statistic: t= - 4.35. Critical value: t= - 1.708. Reject Ho. There is sufficient evidence to conclude that the
mean is less than 26.
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