Suppose we have the following Treasury bill returns and inflation rates over an eight- year period: Year Treasury Bills Inflation 123456700 8.81% 10.60% 9.66 14.18 7.42 8.59 6.52 6.21 7.00 8.35 9.29 10.77 12.11 14.92 8 13.85 14.60 a. Calculate the arithmetic average return for Treasury bills and the average annual inflation rate (consumer price index) for this period. (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) Treasury bills Inflation Average return % % b. Calculate the standard deviation of Treasury bill returns and inflation over this period. (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) Standard deviation Treasury bills Inflation % % c. What is the average real return for Treasury bills over this period? (A negative answer should be indicated by a minus sign. Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) Average real return %

Essentials Of Investments
11th Edition
ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Publisher:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Chapter1: Investments: Background And Issues
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Suppose we have the following Treasury bill returns and inflation rates over an eight-
year period:
Year Treasury Bills
Inflation
123456700
8.81%
10.60%
9.66
14.18
7.42
8.59
6.52
6.21
7.00
8.35
9.29
10.77
12.11
14.92
8
13.85
14.60
a. Calculate the arithmetic average return for Treasury bills and the average annual
inflation rate (consumer price index) for this period. (Do not round intermediate
calculations and enter your answers as a percent rounded to 2 decimal places, e.g.,
32.16.)
Treasury bills
Inflation
Average return
%
%
b. Calculate the standard deviation of Treasury bill returns and inflation over this period.
(Do not round intermediate calculations and enter your answers as a percent
rounded to 2 decimal places, e.g., 32.16.)
Standard deviation
Treasury bills
Inflation
%
%
c. What is the average real return for Treasury bills over this period? (A negative answer
should be indicated by a minus sign. Do not round intermediate calculations and
enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)
Average real return
%
Transcribed Image Text:Suppose we have the following Treasury bill returns and inflation rates over an eight- year period: Year Treasury Bills Inflation 123456700 8.81% 10.60% 9.66 14.18 7.42 8.59 6.52 6.21 7.00 8.35 9.29 10.77 12.11 14.92 8 13.85 14.60 a. Calculate the arithmetic average return for Treasury bills and the average annual inflation rate (consumer price index) for this period. (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) Treasury bills Inflation Average return % % b. Calculate the standard deviation of Treasury bill returns and inflation over this period. (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) Standard deviation Treasury bills Inflation % % c. What is the average real return for Treasury bills over this period? (A negative answer should be indicated by a minus sign. Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) Average real return %
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