11:43 deanza.instructure.com Page 2 of 2 - ZOOM 10 Group Work - Percentiles and Outliers 1. Percentiles: a. Determine the Median and 1st and 3'd quartiles of the data. b. Calculate and explain the Interquartile Range. c. Construct a box plot of the data and describe the skewness. -5 5 10 15 20 d. Using the rule that possible outliers are more than 1.5 IQRs from the edge of the box, identify any possible outliers.{ group work # 3 ] Count dangs ( ) * 5 2 # 1 2 Score 2 - 4 16 - 1.32 # 2 3 -3 # 3 9 - 0.99 14 - 2 # 4 4 - 0.66 4 - 2 4 # 5 - 0 .66 5 - 1 # 6 1 - 0.33 1 - 0. 33 - 1 - 0- 33 -1 1 - 0 . 33 # 9 -1 - - 0:33 # 10 0 O #* 11 a 6 0 # 12 7 0 . 33 77 13 V - 0 . 33 # 14 2 4 0 . 66 # IS 2 y 0 .66 # 16 16 10 100 3.29 Totals The mean is 6 6 the mediam is s . The data will be Skewed to the right or positively Skewed fiance the mean is greater than mediam . vanamce = [ ( x - 20 ) 2 148 = 9.25 18 Standard deviation = 3.04