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

Construct class intervals of the data. (Exclusive class intervals)

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. (i) Construct greater than cumulative frequencies.

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

For a continuos grouped frequency distribution the meidan is given by

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

A company manufactures car batteries of particular type. The life (in years) of 40 batteries was recorded as follows: Construct a grouped frequency distribution table with exclusive classes for this data, using class intervals of size 0.5 starting from the interval 2-2.5.

Class interval of the class 11-20 is .........

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

Number of students in 30 class rooms in a school are given below. Construct a frequency distribution table for the data with a exclusive class interval of 4 (students). {:(25,30,24,18,21,24,32,34,22,20,22),(32,40,28,30,22,26,31,34,15,38,28),(20,16,15,20,24,30,25,18, , ,):}

Write the mark wise frequencies in the following frequency distribution table.