in a particular company the amount of money to the nearest naira spend by workers on transportation to work daily were recorded as follows : 30 50 60 120 200 80 90 14 240 236 125 40 75 110 120 220 130 180 60 90 112 150 210 145 135 140 80 100 125 215 240 50 60 180 190 180 145 120 88 138 195 248 130 140 150 154 205 225 65 145. a. construct a grouped frequency distribution of data taking equal interval from 0-49 50-99 etc. b. calculate the mean median mode​