A stock had annual returns of 5.6%, 10.4%, -6.7%, 8.1%, and -5.9%. What was its arithmetic average annual return during that period? Answer in percentage, rounded to two decimal places.

Same stock as in question 6.1: Annual returns of 5.6%, 10.4%, -6.7%, 8.1%, and -5.9%. What was its compound average annual return during that period? Answer in percentage, rounded to two decimal places.

Same stock as in question 6.1: Annual returns of 5.6%, 10.4%, -6.7%, 8.1%, and -5.9%. What was its total return during that period? Answer in percentage, rounded to two decimal places.

Same stock as in question 6.1: Annual returns of 5.6%, 10.4%, -6.7%, 8.1%, and -5.9%. What was its volatility (sample standard deviation) during that period? Answer in percentage, rounded to two decimal places.