Question 12 3 pts What is the spend Interquartile Range (IQR) for all stores? Your answer must contain numbers only, not a R or $ sign. A full stop must be used for decimalization and must include 2 decimal places. (As an example your answer should look like this: ( 531.45 (###.##) )Grocery shoppers shopping habits study Customer Store Visits Spend Family Size Age Gender 1946 26 M FUN 3842 45 N 2885 32 1332 33 NW 2744 65 GROCERY SHOPPER SAMPLE SURVEY 1963 56 589 58 LEGEND 1026 1766 Store Prefer 1 = Pick n Pay 1232 2 - Woolies 1588 3 = Checkers 1137 2136 Visits Number of visits last month NNUNNENNUNE 964 UNWUNNAUNG 3685 Spend Amount spent last month 1022 754 Family Size Adults and Children 456 1125 Age Age of Shopper 1486 945 Gender F = Female UNP 4856 M = Male 1636 1268 966 IN 1445 ONNENUNNANUNNBNDE 1032 880 1776 1070 IN 1445 989 PP 887 un w w CI 34 2676 985