|
Series
|
Arithmetic Mean
|
Standard Deviation
|
|
Small-company stocks
|
15.9
|
%
|
32.8
|
%
|
|
Large-company stocks
|
12.2
|
|
21.1
|
|
|
Long-term corporate bonds
|
5.4
|
|
8.3
|
|
|
Long-term government bonds
|
5.3
|
|
9.6
|
|
|
Intermediate-term government bonds
|
5.3
|
|
4.8
|
|
|
U.S. Treasury bills
|
4.2
|
|
2.7
|
|
|
Inflation
|
2.2
|
|
3.6
|
|
Required:
(a) What range of returns would you expect to see 68 percent of the time for large-company stocks? (Do not include the percent signs (%).Negative amount should be indicated by a minus sign. Input your answers from lowest to highest to receive credit for your answers. Round your answers to 2 decimal places. (e.g., 32.16))
Expected Range of returns ___% to _____%
(b) What about 95 percent of the time? (Do not include the percent signs (%).Negative amount should be indicated by a minus sign. Input your answers from lowest to highest to receive credit for your answers. Round your answers to 2 decimal places. (e.g., 32.16))
Expected Range of returns ___% to ____%