Dr. Smith is investigating whether squeezing a stress ball throughout the day improves job satisfaction levels in office workers. The mean job satisfaction level in the population is a score of 45 on the Job Satisfaction Inventory. Dr. Smith finds a sample of 100 office workers and has them squeeze a stress ball throughout the day at work for a period of 2 weeks. Dr. Smith then finds that the participants’ mean score on the Job Satisfaction Inventory is 50. The research question is whether squeezing a stress ball improves job satisfaction in office workers. What is the correct null hypothesis?
Dr. Smith is investigating whether squeezing a stress ball throughout the day improves job satisfaction levels in office workers. The mean job satisfaction level in the population is a score of 45 on the Job Satisfaction Inventory. Dr. Smith finds a sample of 100 office workers and has them squeeze a stress ball throughout the day at work for a period of 2 weeks. Dr. Smith then finds that the participants’ mean score on the Job Satisfaction Inventory is 50. The research question is whether squeezing a stress ball improves job satisfaction in office workers. What is the correct 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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Dr. Smith is investigating whether squeezing a stress ball throughout the day improves job satisfaction levels in office workers. The mean job satisfaction level in the population is a score of 45 on the Job Satisfaction Inventory. Dr. Smith finds a sample of 100 office workers and has them squeeze a stress ball throughout the day at work for a period of 2 weeks. Dr. Smith then finds that the participants’ mean score on the Job Satisfaction Inventory is 50. The research question is whether squeezing a stress ball improves job satisfaction in office workers. What is the correct null hypothesis?
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