Standard deviations of these two population distributions

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The annual percentage returns on common stocks over a 7-year period were as follows:

4.0% 14.3% 19.0% -14.7% -26.5% 37.2% 23.8%

Over the same period the annual percentage returns on U.S.

Treasury Bills were as follows:

6.5% 4.4% 3.8% 6.9% 5.8% 5.1% 8.0%

a. Compare the means of these two population distributions

b. Compare the standard deviations of these two population distributions.

Reference no: EM13995865

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