Answered: 1. A researcher who works for a…

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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1. A researcher who works for a national retail chain is interested in changes in employee satisfaction during the holiday season. The table below contains employee satisfaction scores taken at two time points (August 1^st and December 1^st) from a sample of 12 employees. Higher scores indicate more satisfaction. Conduct a hypothesis test to determine if there is an increase or decrease in employee satisfaction from Time 1 to Time 2. Use alpha .05.

Employee Number	Time 1 Satisfaction	Time 2 Satisfaction
10012	8.5	6.5
10057	6.8	2
10089	6.5	4
10126	4.2	5.7
10023	7	4
10045	6	3
10094	7	6.5
10087	3	3
10145	4.5	3.5
10023	9	8.5
10062	8.5	4
10078	4	2.5

State the null alternative hypothesis ?
Conduct the hypothesis test (run the analysis) ?

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