The data are reproduced shown below. Recall that simple linear regression was used to model number (y)
Question:
a. Consider a future decade where the number of CEO birthdays (in a random sample of 70 companies) is 25. Find a 95% prediction interval for the number of software millionaire birthdays in this decade. Interpret the result.
b. Consider another future decade where the number of CEO birthdays (in a random sample of 70 companies) is 10. Will the 95% prediction interval for the number of software millionaire birthdays in this decade be narrower or wider than the interval, part b? Explain.
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For Information: Refer to Exercise 11.35 and the study of software millionaires and their birthdays.
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a Using MINITAB the results are Regression Analysis Millionaire Births versus CEO Births The regress...View the full answer
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Related Book For 
Statistics For Business And Economics
ISBN: 9780321826237
12th Edition
Authors: James T. McClave, P. George Benson, Terry T Sincich
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