Mathematical Review - Earlham College

Calculate the simple arithmetic mean rate of return during the holding period. Historical Fact 1. The arithmetic mean rate of return on “large stocks” (S&P 500 stock index) was 12.49% for the period 1926-2001. The arithmetic mean rate of return on “small stocks” (Russell 2000 index) was 18.29% for the same period. ................
................