Two investments generated the following annual returns:

Investment X Investment Y

20X0 11 % 20 %

20X1 23 24

20X2 20 15

20X3 14 13

20X4 8 12

What is the average annual return on each investment? Round your answers to one decimal place.

The average annual rate of return on X: % The average annual rate of return on Y: %

What is the standard deviation of the return on investments X and Y? Round your answers to two decimal places.

Standard deviation of X:

Standard deviation of Y:

Based on the standard deviation, which investment was riskier? -Select- was riskier.