Question

commission : 100-140 140-180 180-200 200-220 220-240 240-260 260-300
no. of salesmen: 14 45 52 80 32 23 24 find quartiles for distribution also draw cumulative frequency for less than type

Answer 1

Answer:

The median divides the data into a lower half and an upper half. The lower quartile is the middle value of the lower half. The upper quartile is the middle value of the upper half. The following figure shows the median, quartiles and interquartile range.