Answered: Electrical Engineers Computer Majors…

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 economist believes he can show that the average starting salary for electrical engineer's exceeds the average starting salaries for computer science majors. We test the hypotheses

H₀: ?1−?2=0μ1−μ2=0 versus H₁: ?1−?2>0μ1−μ2>0

at 1% level of significance. Here, the average starting salary of electrical engineers, and denotes the average starting salary of a computer science major. We test these hypotheses by obtaining a random sample of 500 electrical engineer's starting salaries and independently, we obtain a random sample of 500 starting salaries for computer science majors. The results of the two-samples are recorded in the table below:

	Electrical Engineers	Computer Majors
Sample Size	500	500
Sample average	60000	58,500
Sample Standard Deviation	8,000	13,000

Compute the p-value.

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