problem: Compute the standard deviation of Treasury bill returns and inflation over this period. [Refer table given below give your answer to two decimal places]
Refer to the following table:
Year

Tbill 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:
Compute the standard deviation of Treasury bill returns and inflation over this period. [Do not include the % sign]. Give your answer to two decimal places
Standard deviation
T  bill _______%
Inflation ______%