Q1. Use this sample of data on the dollar loss from different types of robbery to answer the following questions: Using the formula SS_within = ?(X_i - X_group)² , what is the numerical value for the within-group variation is this data?

Dollar Loss Type of Robbery Group Mean $ 800 Mugging $ 900 Mugging MUL= $ 700 Mugging $ 2,000 Bank $ 2 200 Bank Bank = $ 2,400 Bank * Grand MeanDollar Loss Type of Robbery Group Mean $ 800 Mugging $ 900 Mugging MUL= $ 700 Mugging $ 2,000 Bank $ 2 200 Bank Bank = $ 2,400 Bank * Grand Mean