Marks of 30 students in mathematics test are given in the adjacent grouped frequency distribution.
(i) Into how many groups the data is classified?

Into how many groups are the vitamins classified ?

Marks of 30 students in mathematics test are given in the adjacent grouped frequency distribution. What are the marks of 6 students who are in 4th class interval?

Marks of 30 students in mathematics test are given in the adjacent grouped frequency distribution.What are the marks of 6 students who are in 4th class interval?

Ages of 90 people in an apartment are given in the adjacent grouped frequency distribution.How many people are there in the Class Interval 21-30?

Ages of 90 people in an apartment are given in the adjacent grouped frequency distribution. How many Class Intervals are there in the table?

For a continuos grouped frequency distribution the meidan is given by

Represent the data in the adjacent bar graph as frequency distribution table.