A stock has had returns of 11 percent, 18 percent, 20 percent, −13 percent, 25 percent, and −9 percent over the last six years.

A stock has had returns of 11 percent, 18 percent, 20 percent, −13 percent, 25 percent, and −9 percent over the last six years.
What are the arithmetic and geometric average returns for the stock?

Explanation

The arithmetic average return is the sum of the known returns divided by the number of returns, so:

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