P8–9 Rate of return, standard deviation, and coefficient of variation Mike is se
ID: 2764786 • Letter: P
Question
P8–9 Rate of return, standard deviation, and coefficient of variation Mike is searching for a stock to include in his current stock portfolio. He is interested in Hi-Tech, Inc.; he has been impressed with the company’s computer products and believes that Hi-Tech is an innovative market player. However, Mike realizes that any time you consider a technology stock, risk is a major concern. The rule he follows is to include only securities with a coefficient of variation of returns below 0.90. Mike has obtained the following price information for the period 2012 through 2015. Hi-Tech stock, being growth-oriented, did not pay any dividends during these 4 years. a. Calculate the rate of return for each year, 2012 through 2015, for Hi-Tech stock. b. Assume that each year’s return is equally probable, and calculate the average return over this time period. c. Calculate the standard deviation of returns over the past 4 years. (Hint: Treat these data as a sample.) d. Based on b and c, determine the coefficient of variation of returns for the security. e. Given the calculation in d, what should be Mike’s decision regarding the inclusion of Hi-Tech stock in his portfolio?
Explanation / Answer
Price information for the period 2012 through 2015 is missing in the question. Please provide the same.
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