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Refer to the following table:
| Year | T-bill return | Inflation |
| 1976 | 0.0507 | 0.0486 |
| 1977 | 0.0545 | 0.0670 |
| 1978 | 0.0764 | 0.0902 |
| 1979 | 0.1056 | 0.1329 |
| 1980 | 0.1210 | 0.1252 |
| 1981 | 0.1460 | 0.0892 |
| 1982 | 0.1094 | 0.0383 |
| 1983 | 0.0899 | 0.0379 |
Requirement 1:
Calculate the average return for Treasury bills and the average annual inflation rate (consumer price index) for this period. (Do not include the percent sign (%). Round your answers to 2 decimal places, e.g. 32.16.)
Average Treasury bills return _____ percent
Average inflation _____ percent
Requirement 2:
Calculate the standard deviation of Treasury bills returns and over this period. (Do not include the percent sign (%). Round your answers to 2 decimal places, e.g. 32.16.)
Standard deviation
T-bills _____ percent
Inflation _____ percent
Requirement 3:
Calculate the average real return for Treasury bills over this period. (Negative amount should be indicated by a minus sign. Do not include the percent sign (%). Round your answers to 2 decimal places, e.g. 32.16.)
Average real return _____ percent