Consider the following annual data on profit rates for Cherry Computers, Lemon Motors, and Orange Electronics: (a)

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Consider the following annual data on profit rates for Cherry Computers, Lemon Motors, and Orange Electronics: image text in transcribed

(a) Calculate the mean and standard deviation of each company’s profits.

(b) Compare the performance of these three companies. Which company do you believe was the best performer over these 10 years?

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Statistics For Business And Financial Economics

ISBN: 9781461458975

3rd Edition

Authors: Cheng Few Lee , John C Lee , Alice C Lee

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Question Posted: Feb 10, 2024 08:34 AM

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Consider the following annual data on profit rates for Cherry Computers, Lemon Motors, and Orange Electronics: (a)

Question:

Year 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 Cherry computers 14.2 12.3 -16.2 15.4 17.2 10.3 -6.3 -7.8 3.4 12.2 Lemon motors -6.2 13.3 -8.4 27.3 28.2 14.5 -2.4 -3.1 15.6 18.2 Orange electronics 37.5 -10.6 40.3 5.4 6.2 10.2 13.8 11.5 -6.2 27.5

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To answer part a of your question I will first show you how to calculate the mean and standard deviation for each companys profits The mean is the ave...View the full answer

Statistics For Business And Financial Economics

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