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A study is done to determine if Company A retains its workers longer than Company B. It is believed that Company A has higher retention than Company B. The study finds that in a sample of 29 workers at Company A their average time with the company is 5.85 years with a standard deviation of 1.93 years. A sample of 21 workers at Company B finds that the average time with the company was 4.09 years with a standard deviation of 2.01 year. What is the Test Statistic to test the null hypothesis H0 : µA ≤ µB against the alternative Ha : µA > µB?

A study is done to determine if Company A retains its workers longer than Company B. It is believed that Company A has higher retention than Company B. The study finds that in a sample of 29 workers at Company A their average time with the company is 5.85 years with a standard deviation of 1.93 years. A sample of 21 workers at Company B finds that the average time with the company was 4.09 years with a standard deviation of 2.01 year. What is the Test Statistic to test the null hypothesis H0 : µA ≤ µB against the alternative Ha : µA > µB?

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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A study is done to determine if Company A retains its workers longer than Company B. It is believed that Company A has higher retention than Company B. The study finds that in a sample of 29 workers at Company A their average time with the company is 5.85 years with a standard deviation of 1.93 years. A sample of 21 workers at Company B finds that the average time with the company was 4.09 years with a standard deviation of 2.01 year. What is the Test Statistic to test the null hypothesis H0 : µA ≤ µB against the alternative Ha : µA > µB?

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