Answered: There were were 14 Water Department…

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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There were were 14 Water Department employees and 23 Fire Department employees in the sample.

The mean regular pay of Water Department employees in the sample is $33,261.28, with a standard deviation of $11,474.33. The average regular pay of Fire Department employees in the sample is $37,209.68, with a standard deviation of $19,320.14.

Is there evidence at the 1% significance level that the average regular pay for Water Department employees is less than the average regular pay for Fire Department employees?"

If any conditions are not met, please state so and proceed with the inference.

Regular Pay of Fire Department Employees, n=23
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70000
Regular Pay in US dollars ($)
Frequency

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