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?

Ages of 90 people in an apartment are given in the adjacent grouped frequency distribution.Which age group people are more in that apartment?

Ages of 90 people in an apartment are given in the adjacent grouped frequency distribution.Can we say that both people the last age group (61-70) are of 61, 70 or any other age?

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?

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

For a continuos grouped frequency distribution the meidan is given by