Consider the following table for the total annual returns for a given period of time.

Series

Average return

Standard Deviation

Large-company stocks

11.3

%

19.7

%

Small-company stocks

16.4

33.0

Long-term corporate bonds

6.2

8.4

Long-term government bonds

6.1

9.4

Intermediate-term government bonds

5.6

5.7

U.S. Treasury bills

3.8

3.1

Inflation

3.1

4.2

What range of returns would you expect to see 68 percent of the time for large-company stocks? (Negative amount should be indicated by a minus sign. Input your answers from lowest to highest to receive credit for your answers. Do not round intermediate calculations. Enter your answers as a percentage rounded to 2 decimal places (e.g., 32.16).)

Expected range of returns

% to %

What about 95 percent of the time? (Negative amount should be indicated by a minus sign. Input your answers from lowest to highest to receive credit for your answers. Do not round intermediate calculations. Enter your answer as a percentage rounded to 2 decimal places (e.g., 32.16).)

Expected range of returns

% to %