Over the past several months, customers at Stymie's department store have been asked to ill and customer satlid action surveys in the air rate their shopping experience on a scale of O to 100, Here are & recent ratings 31, 49, 44, 58, 69, 71, 31, 81 Send data to calculator (a) What is the mean of this dats set? If your answer is not an integer, round your answer to one decimal place, (b) What is the median of this dats set? If your answer is not an integer, round your answer to one decimal place. (c) How many modes does the date set have, and what are zero modes their values? Indicate the number of modes by clicking in the appropriate circle, and then indicate the value(s) of the O one mode: O mode(s), if applicable, two modes: and x 5