Over the past 4 years, a common stock has had the following rates of return: 2.3%, 12.2%, -3.6% and7.9%. The arithmetic mean rate of return over these 4 years is
A) 3.4%
B) 5.3%
C) 4.7%
D) 6.1%

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The Answer of Over the past 4 years, a common stock has had the following rates of return: 2.3%, 12.2%, -3.6% and7.9%. The arithmetic mean rate of return over these 4 years is
A) 3.4%
B) 5.3%
C) 4.7%
D) 6.1%

Over the Past 4 Years, a Common Stock Has Had