a. Compute the average return for each of the assets from 1929 to 1940 (the Great Depression).

b. Compute the variance and standard deviation for each of the assets from 1929 to 1940.

c. Which asset was riskiest during the Great Depression? How does that fit with your intuition? To download the data you can also click on the Spreadsheet Learning Aid icon. Note: Notice that the answers for average return, variance, and standard deviation must be entered in decimal format.

Year	S&P 500	Small Stocks	Corp Bonds	World Portfolio	Treasury Bills	CPI
1929	-0.08907	-0.50467	0.04321	-0.07692	0.04737	0.00746
1930	-0.25257	-0.45583	0.06343	-0.22574	0.02347	-0.0642
1931	-0.43858	-0.50216	-0.0238	-0.39305	0.01023	-0.09235
1932	-0.08861	0.08696	0.12198	0.0303	0.00806	-0.10465
1933	0.52895	1.872	0.05255	0.66449	0.00293	0.00974
1934	-0.02341	0.25209	0.09728	0.02552	0.00155	0.01286
1935	0.47208	0.64739	0.0686	0.22782	0.00165	0.03175
1936	0.32801	0.87508	0.0622	0.19283	0.00175	0.01231
1937	-0.35258	-0.53403	0.02546	-0.1695	0.00319	0.0304
1938	0.33199	0.26275	0.04357	0.05614	0.00041	-0.0295
1939	-0.0091	0.00184	0.04247	-0.01441	0.00008	0
1940	-0.10082	-0.1234	0.04512	0.03528	-0.00058	0.00912

Yearly returns from 1929-1940 for the S&P 500, small stocks, corporate bonds, world portfolio, Treasury bills, and inflation (as measured by the CPI).

Yearly returns from 1929-1940 for the S&P 500, small stocks, corporate bonds, world portfolio, Treasury bills, and inflation (as measured by the CPI).