21 13 34. We are given that the total of all frequencies is 60 so. 3 18 21.
The sum of absolute frequencies of all the values equal to or less than the considered value.
8 10 18. 40 37 3 40 A cumulative frequency diagram is drawn by plotting the upper class boundary with the cumulative frequency. 32 1 33. There are two types of cumulative frequencies a less than b greater than A table which displays the manner in which cumulative frequencies are.