The Russell 1000 is a stock market index consisting of the largest U.S. companies. The Dow Jones industrial Average is based on 30 large companies. The data giving the annual percentage returns for each of these stock indexes for 25 years are contained in the Excel Online file below. Construct a spreadsheet to answer the following questions.

b. Compute the sample mean and standard deviation for each index (to 2 decimals).

	sample mean	standard deviation
DJIA:
Russell 1000:

c. Compute the sample correlation coefficient for these data (to 3 decimals).