Quiz: M2.Ch34 Quiz Question 9 of 10 This quiz: 10 point(s) possible This question: 1 point(s) possible 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 (and use an incentive of $50 worth of downloads to guarantee a high response rate) asking for demographic information. One of the variables is the customers age For the 26 customers, the ages are shown to the right. Complete parts a) through d). a) Find the quartiles using technology. QI -ClandQ3-C] b) Find the quartiles using the Tukey method. and Q3 = QI - c) Find the IQR using the quartiles from part b. IQR= d) Find the standard deviatiom The standard deviation is (Round to three decimal places as needed.) Ill MySt3tLaa Set - Google Chrome a statcrunch.com/app/?dlim=comma&dataurl=https://xlitemprod.pearsoncmg.com/GetPlayerFile.ashx?guid=be77875b-7... Submit quiz 20 32 34 28 32 32 30 14 28 11 36 22 43 47 26 25 23 31 36 32 36 42 42 43 48 @ StatCrunch MyStatLab Data Set StatCrunch Applets Data var3 Stat O oa7SC97btOb8445%ffbdOb2C12... My StatCrunch Edit var2 Graph var4 Help vars var6 var7 var8 Statcrunch Tech help 10 11 12 13 14 15 16 17 18 20 21 22 23 24 25 varl 20 32 36 25 36 32 30 42 34 14 43 31 42 28 28 47 36 43 32 11 32