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3. Suppose you are testing Họ: µ = 13 versus H1: µ 7 13. The sample is small (n = 12) and the data come from a normal population. The variance, o², is unknown. (a) Should you use z or t when finding a critical region for this scenario? (b) Find the critical value(s) corresponding to a = 0.07. (c) State the critical region. (d) You find that the test statistic value is -2.103. Based on your critical region, what decision do you make regarding the null hypothesis (i.e. do you Reject Ho or Do Not Reject Ho)? (e) State your conclusion.

3. Suppose you are testing Họ: µ = 13 versus H1: µ 7 13. The sample is small (n = 12) and the data come from a normal population. The variance, o², is unknown. (a) Should you use z or t when finding a critical region for this scenario? (b) Find the critical value(s) corresponding to a = 0.07. (c) State the critical region. (d) You find that the test statistic value is -2.103. Based on your critical region, what decision do you make regarding the null hypothesis (i.e. do you Reject Ho or Do Not Reject Ho)? (e) State your conclusion.

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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Answer E et D

3. Suppose you are testing Ho: µ = 13 versus H1: µ # 13. The sample is small (n The variance, o², is unknown. 12) and the data come from a normal population. (a) Should you use z or t when finding a critical region for this scenario? (b) Find the critical value(s) corresponding to a = - 0.07. (c) State the critical region. (d) You find that the test statistic value is -2.103. Based on your critical region, what decision do you make regarding the null hypothesis (i.e. do you Reject Ho or Do Not Reject Ho)? (e) State your conclusion. 1
Transcribed Image Text:3. Suppose you are testing Ho: µ = 13 versus H1: µ # 13. The sample is small (n The variance, o², is unknown. 12) and the data come from a normal population. (a) Should you use z or t when finding a critical region for this scenario? (b) Find the critical value(s) corresponding to a = - 0.07. (c) State the critical region. (d) You find that the test statistic value is -2.103. Based on your critical region, what decision do you make regarding the null hypothesis (i.e. do you Reject Ho or Do Not Reject Ho)? (e) State your conclusion. 1
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