Find the average and standard deviation of return on equity

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Reference no: EM131805699

Question: Consider the return on equity, expressed like an interest rate in percentage points per year, for a sample of companies:

5.5, 10.6, 19.0, 24.5, 6.6, 26.8, 6.2, 2.4, 28.3, 2.3

a. Find the average and standard deviation of the return on equity.

b. Interpret the standard deviation.

c. How many standard deviations below average is the worst performance?

d. Draw a histogram and indicate the average, the standard deviation, and the deviation of the worst performance.

Reference no: EM131805699

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