Answered: n HR manager in a company wants to know…

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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An HR manager in a company wants to know if there’s a difference in the amount of time
workers in different departments spend chatting at the water cooler. She tracks the behaviour for two
departments (Legal Department and Technical Support) and records the number of minutes spent at the
water cooler for each employee. The data are presented below.
Is there a significant difference in time spent at the water cooler between the two departments? Conduct
a hypothesis test using α = .05.
Legal Tech Support
n = 4 n = 8
M = 22.2 M = 13.8
SS = 164 SS = 76

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