# Finding mean and standard deviation of returns

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Question #1

Calculate arithmetic average returns, the variances, and the standard deviations for X and Y.

Returns

Year X Y

1 17 23

2 22 34

3 8 11

4 -15 -32

5 10 21

Question #2

What are the arithmetic and geometric returns for the stock?

Year Price Dividend Arithmetic Return Geometric Return

1 $43.15 -

2 $48.13 $0.45

3 $57.05 $0.49

4 $45.13 $0.55

5 $52.05 $0.62

6 $61.13 $0.68.

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##### Solution Summary

Solutions depict the steps to estimate the arithmetic mean, geometric mean and standard deviation in the given case. Calculations are carried out with the help of suitable built-in functions in MS Excel.

###### Education

- BEng (Hons) , Birla Institute of Technology and Science, India
- MSc (Hons) , Birla Institute of Technology and Science, India

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