What was the arithmetic average return on the stock over this five-year period? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) b. What was the variance of the returns over this period? (Do not round intermediate calculations and round your answer to 6 decimal places, e.g., 32.161616.) c. What was the standard deviation of the returns over this period?

Managerial Accounting
15th Edition
ISBN:9781337912020
Author:Carl Warren, Ph.d. Cma William B. Tayler
Publisher:Carl Warren, Ph.d. Cma William B. Tayler
Chapter16: Financial Statement Analysis
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You’ve observed the following returns on Yamauchi Corporation’s stock over the past five years: –29.4 percent, 16.6 percent, 36.2 percent, 3.8 percent, and 22.8 percent. a. What was the arithmetic average return on the stock over this five-year period? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) b. What was the variance of the returns over this period? (Do not round intermediate calculations and round your answer to 6 decimal places, e.g., 32.161616.) c. What was the standard deviation of the returns over this period? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)
Expert Solution
Step 1

Arithmetic Average:

Also known as the simple average is computed by dividing the sum of individual values by the count of values.

Standard Deviation:

It is a measure of the dispersion of a set of values relative to its mean. It is the square root of variance.

 

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