Suppose we have the following Treasury bill returns and inflation rates over

Suppose we have the following Treasury bill returns and inflation rates over an eight year period:

Calculate the average return for Treasury bills and the average annual inflation rate (consumer price index) for this period. (Round your answers to 2 decimal places. (e.g. 32.16))

Calculate the standard deviation of Treasury bill returns and inflation over this period. (Do not round intermediate
calculations and round your final answers to 2 decimal places. (e.g. 32.16))

What was the average real return for Treasury bills over this period? (Negative amount should be indicated by a minus
sign. Round your answer to 2 decimal places. (e.g. 32.16))