You calculate the correlation coefficient of returns between the common stocks of two companies. The correlation coefficient is +0.02. What does this figure mean?

Select one:

a.When the price of one stock rises, the other stock often decreases in price by about the same percentage

b.When the price of one stock falls, the other stock may rise in price but only sometimes and not to the same extent

c.No relationship exists between changes in the prices of the two stocks.

d.When the price of one stock rises, the other stock often increases in price by about the same percentage

e.When the price of one stock falls, the other stock may fall in price but only sometimes and not to the same extent