The following list contains the average annual total returns (in percentage points} for 8 mutual funds. The mutual funds appear in an online brokerage firm's "all-star" list. -'l, 17, 6, 20, 6,31, 17,10 Send data to calculator (a) What is the mean of this data set? If your answer is not an 1135 integer, round your answer to one decimal place. ' (b) What is the median of this data set? If your answer is not an integer, round your answer to one decimal place. (c) How many modes does the data set have, and what are zero modes their values? Indicate the number of modes by clicking in the appropriate circle, and then indicate the yalue[s) of the mode[s), if applicable. one mode: 17 two modes: and