According to Investment Digest (“Diversification and the Risk/Reward Relationship”,
According to Investment Digest (“Diversification and the Risk/Reward Relationship”, Winter 1994, 1-3), the mean of the annual return for common stocks from 1926 to 1992 was 16.5%, and the standard deviation of the annual return was 19%.
In later parts of the question we will ask:
a. What is the probability that the stock returns are greater than 0%?
b. What is the probability that the stock returns are less than 18%?
For this part, answer the following question:
What is the value of the test statistic (Z, t, or F) for each part? (Round to 2 decimal digits)
Question 2 options:
-0.87 in part a, -0.06 in part b
-0.67 in part a, 0.06 in part b
-0.87 in part a, 0.08 in part b
0.67 in part a, 0.08 in part b
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