The following are the number of bottles of cola drunk by a man each month during a year. 47 51 71 56 67 43 36 49 31 64 53 38 Calculate the lower quartile, the upper quartile, and the interquartile range for the data set. Group of answer choices lower quartile = 40.5 upper quartile = 60 iqr = 50 lower quartile = 40.5 upper quartile = 60 iqr = 19.5 lower quartile = 58.5 upper quartile = 63.5 iqr = 39.5 lower quartile = 58.5 upper quartile = 63.5 iqr = 5 lower quartile = 40.67 upper quartile = 60.33 iqr = 19.66 lower quartile = 40.67 upper quartile = 60.33 iqr = 50