CBSE Class 10-Mathematics: Chapter – 14 Statistics Part 9 (For CBSE, ICSE, IAS, NET, NRA 2022)

Doorsteptutor material for CBSE is prepared by world's top subject experts: fully solved questions with step-by-step explanation- practice your way to success.

Question 15:

Construct the cumulative frequency distribution of the following distribution:

Answer:

The required cumulative frequency distribution of the given distribution is given below:

Question 16:

If the values of mean and median are and , what will be the value of mode?

Answer:

We know that

Mode median mean

Mode

Question 17:

The marks obtained by students of class X of a certain school in a Mathematics paper consisting of marks are presented in table below. Find the mean of the marks obtained by the students.

Answer:

Thus, mean