Answered: the mean hourly wage for employees in…

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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Question

the mean hourly wage for employees in goods-producing industries is currently $24.57
(bureau of labor Statistics website, april, 12, 2012). Suppose we take a sample of
employees from the manufacturing industry to see if the mean hourly wage differs from
the reported mean of $24.57 for the goods-producing industries.
a. State the null and alternative hypotheses we should use to test whether the population
mean hourly wage in the manufacturing industry differs from the population mean
hourly wage in the goods-producing industries.
b. Suppose a sample of 30 employees from the manufacturing industry showed a sample
mean of $23.89 per hour. assume a population standard deviation of $2.40 per hour
and compute the p-value

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