Calculate and compare the coefficients of variation

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Analysis of investment portfolio returns over a 20-year period showed the statistics below.

(a) Calculate and compare the coefficients of variation.

(b) Why would we use a coefficient of variation? Why not just compare the standard deviations?

(c) What do the data tell you about risk and return? 

Investment Type

Mean Return

Standard Deviation

Coefficient of Variation

Venture funds

18

12

?

Common stocks

14

16

?

Real estate

10

15

?

Federal short-term paper

6 

2 

 ?

Reference no: EM133083738

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