Answered: Out of 188 men over age 65 years, 70…

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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Out of 188 men over age 65 years, 70 were still working. 87 out of 202 women over the age of 65 years
were still working. At a 0.08 level of significance, can you claim the proportion of men and women working
over the age of 65 is the same?

a.)State the hypotheses and label the claim.
b) Is the test left-tailed, right-tailed, or two-tailed (circle one)?
c) What is/are the critical value(s)? Draw a picture.
d) What is the P-value and test-statistic?
e) Give two reasons for your decision to reject/not reject H0 based on: 1) Test statistic compared to critical
value 2) P-value compared to α Then, state the conclusion by relating back to the original claim.

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