15. Starting Salaries As a group, students majoring in the engineering disciplines have the highest salary expectations, followed by those studying the computer science fields, according to a Michigan State University study.14 To compare the starting salaries of college graduates majoring in electrical engineering and computer science, random samples of 50 recent college graduates in each major were selected and the following information obtained:

a. Find a point estimate for the difference in the average starting salaries of college students majoring in electrical engineering and computer science. What is the margin of error for your estimate?

b. Based upon the results in part

a, do you think that there is a significant difference in the average starting salaries for electrical engineers and computer scientists? Explain.

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Major Mean ($) SD Electrical engineering Computer science 62,428 57,762 12,500 13,330