Ho: μ=85; Hα: μ#85. The sample mean is μ 88, the sample size is 20, and the sample standard deviation is 8. Use a=0.10. a. Write the value of x-bar b. Write the value of s c. What is the value of n? d. What is the population mean? e. Identify what test statistic to use. (z-test or t-test?) f. What is the critical value? g. What is the computed value? h. Is the computed value less than or greater than the critical value? (less than or greater than?) i. Computed value falls on? (Rejection Region or Non-Rejection Region?) j. What is your decision? (Reject the Null Hypothesis or Fail to Reject the Null Hypothesis?)
Ho: μ=85; Hα: μ#85. The sample mean is μ 88, the sample size is 20, and the sample standard deviation is 8. Use a=0.10. a. Write the value of x-bar b. Write the value of s c. What is the value of n? d. What is the population mean? e. Identify what test statistic to use. (z-test or t-test?) f. What is the critical value? g. What is the computed value? h. Is the computed value less than or greater than the critical value? (less than or greater than?) i. Computed value falls on? (Rejection Region or Non-Rejection Region?) j. What is your decision? (Reject the Null Hypothesis or Fail to Reject the Null Hypothesis?)
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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Transcribed Image Text:Ho: μ=85; Hα: µ#85. The sample mean is μ 88, the sample size is 20, and the sample standard
deviation is 8. Use a=0.10.
a. Write the value of x-bar
b. Write the value of s
c. What is the value of n?
d. What is the population mean?
e. Identify what test statistic to use. (z-test or t-test?)
f. What is the critical value?
g. What is the computed value?
h.
Is the computed value less than or greater than the critical value? (less than or greater
than?)
i.
Computed value falls on? (Rejection Region or Non-Rejection Region?)
j. What is your decision? (Reject the Null Hypothesis or Fail to Reject the Null Hypothesis?)
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