In the following grouped frequency distribution table class marks are given.

Construct greater than cumulative frequencies.

In the following grouped frequency distribution table class marks are given. (i) Construct greater than cumulative frequencies.

In the following grouped frequency distribution table class marks are given. Construct less than cumulative frequencies

In the following grouped frequency distribution table class marks are given. Construct class intervals of the data. (Exclusive class intervals)

Construct the class boundaries of the following frequency distribution table. Also construct less than cumulative and greater than cumulative frequency tables.

For a continuos grouped frequency distribution the meidan is given by

Write mid-values of the following frequency distribution.

The variance of the following continuous frequency distribution is

If the mean of the following frequency distribution is 7.2 find value of 'K'.

A grouped frequency distribution table is given below with class mark (mid values of class intervals) and frequencies. Find the class intervals.

If the mean of the following frequency distribution is 50 , then find the value of k.