The marketing team at an internet music site wants a better understanding of who their customers are. They send out a survey to 25 customers 19 33 33 29 31 (and use an incentive of $50 worth of downloads to guarantee a high response rate) asking for demographic information. One of the variables is 30 31 13 29 11 the customer's age. For the 25 customers, the ages are shown to the right. Complete parts a) through d). 39 22 44 48 26 26 22 32 35 33 36 42 42 43 47 a) Find the quartiles using technology. Q1 = 26 and Q3 = 40.5 b) Find the quartiles using the Tukey method. Q1 = and Q3 =]