Statistics Worksheet — Class 10 CBSE Maths

Q1.The mean of 5 numbers is 20. What is the sum of these 5 numbers?

Difficulty: Easy

Q2.The class mark of the class interval $10 - 20$ is:

Difficulty: Easy

Q3.In a frequency distribution, the sum of $f_i x_i = 420$ and $\sum f_i = 30$. The mean is:

Difficulty: Easy

Q4.The mode of the data: 2, 3, 4, 5, 3, 3, 4, 2, 3 is:

Difficulty: Easy

Q5.The median of the data 3, 8, 5, 7, 6 (when arranged in order) is:

Difficulty: Easy

Q6.What does 'cumulative frequency' mean?

Difficulty: Easy

Q7.The mean of the first 5 natural numbers is:

Difficulty: Easy

Q8.In the formula for mode of grouped data, $l$ represents:

Difficulty: Easy