Here are the numbers of calls received during 8 randomly chosen, 15-minute time intervals at a customer support service: 25, 21, 10, 20, 15, 25, 14, 15 Send data to calculator (a) What is the mean of...

Extracted text: Here are the numbers of calls received during 8 randomly chosen, 15-minute time intervals at a customer support service: 25, 21, 10, 20, 15, 25, 14, 15 Send data to calculator (a) What is the mean of this data set? If your answer is not an 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. zero modes (c) How many modes does the data set have, and what are their values? Indicate the number of modes by clicking in the appropriate circle, and then indicate the value(s) of the mode(s), if applicable. one mode: O two modes: || and| ? O O