The rate of return on Cherry Jalopies, Inc., stock over the last five years was

Question

The rate of return on Cherry Jalopies, Inc., stock over the last five years was 10 percent, 11 percent, -5 percent, 4 percent, and 8 percent. Over the same period, the return on Straw Construction Company’s stock was 16 percent, 18 percent, -4 percent, 1 percent, and 16 percent.

Calculate the variances and the standard deviations for Cherry and Straw. (Enter variance as a decimal and standard deviation as a percent. Round your variance to 5 decimal places and standard deviation to 2 decimal places

The rate of return on Cherry Jalopies, Inc., stock over the last five years was 10 percent, 11 percent, -5 percent, 4 percent, and 8 percent. Over the same period, the return on Straw Construction Company’s stock was 16 percent, 18 percent, -4 percent, 1 percent, and 16 percent.

Explanation / Answer

variance = ((summation of (xi - mean)^2)/(n-1))

standard devaition = square root((summation of (xi - mean)^2)/(n-1))

Cherry Jalopies Straw Construction Company 10.00% 16.00% 11.00% 18.00% -5.00% -4% 4.00% 1% 8.00% 16% Mean 5.60% 9.40% std dev 6.50% 10.14% variance 0.00423 0.01028

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