Chapter 14 · Class 9 CBSE · Free Worksheet PDF

Statistics Sums for Class 9 — Free CBSE Worksheet PDF with Answers

Download a free printable statistics worksheet for Class 9 CBSE with 30 practice questions covering mean, median, mode, range, frequency distribution, grouped data, and statistical analysis. Includes complete answer key. CBSE-aligned for the 2025-26 syllabus.

Last updated: 5 May 2026

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30 questions (Easy + Medium + Hard) with answer key. Fresh set generated daily.

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Sample Statistics Sums for Class 9 — Practice Questions

Here are 8 sample statistics sums from this Class 9 CBSE worksheet. Download the full PDF for all 30 questions with answers.

Q1.Which of the following is an example of 'primary data'?
A.Data from a census report published by the government.
B.Information about historical events from a textbook.
C.Marks of students collected by their class teacher through a test.
D.Stock prices obtained from a financial website.

Difficulty: Easy

Q2.When data is presented in the exact form it was collected, without any organization or processing, it is called:
A.Grouped data
B.Raw data
C.Arrayed data
D.Secondary data

Difficulty: Easy

Q3.In a class of 30 students, if 8 students chose 'Cricket' as their favorite sport, what is the frequency of 'Cricket'?
A.1
B.8
C.30
D.22

Difficulty: Easy

Q4.For the inclusive class interval 10-19, what is the class size?
A.10
B.9
C.11
D.19

Difficulty: Easy

Q5.Which of the following statements correctly defines the 'class mark' of a class interval?
A.It is the lower limit of the class interval.
B.It is the upper limit of the class interval.
C.It is the difference between the upper and lower limits.
D.It is the midpoint of the class interval.

Difficulty: Easy

Q6.The mean of 4 numbers is 20. If each number in the data set is increased by 5, what will be the new mean?
A.20
B.22
C.25
D.30

Difficulty: Easy

Q7.Ria wants to find the median of the following data set: 25, 18, 30, 22, 28. She concludes that the median is 30 because it's the third number listed. What mistake did Ria make?
A.She should have added all numbers and divided by 5.
B.She chose the wrong position for the median.
C.The median can only be found for an even number of observations.
D.She did not arrange the data in ascending or descending order before finding the middle value.

Difficulty: Easy

Q8.Which statement about the mode of a data set is FALSE?
A.A data set can have more than one mode.
B.The mode is always unique.
C.The mode is the observation with the highest frequency.
D.The mode can be found for qualitative data.

Difficulty: Easy

Answer Key — Sample Questions+
Q1:Marks of students collected by their class teacher through a test.
Q2:Raw data
Q3:8
Q4:10
Q5:It is the midpoint of the class interval.
Q6:25
Q7:She did not arrange the data in ascending or descending order before finding the middle value.
Q8:The mode is always unique.

Download the full PDF for all 30 answers with step-by-step solutions.

About This Worksheet

TopicStatistics
BoardCBSE
Class9
Total Questions30 (10 Easy + 10 Medium + 10 Hard)
Answer KeyIncluded
PriceFree

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Frequently Asked Questions

Where can I download free statistics sums for Class 9?+
You can download a free Statistics PDF worksheet for Class 9 CBSE right here on SparkEd. The worksheet includes 30 practice questions (mean, median, mode, range, frequency distribution, grouped data, and statistical analysis) at easy, medium, and hard levels with a complete answer key.
How many statistics questions are in this Class 9 worksheet?+
This SparkEd worksheet for Statistics Class 9 contains 30 questions — 10 easy, 10 medium, and 10 hard. The questions cover mean, median, mode, range, frequency distribution, grouped data, and statistical analysis. A fresh set is generated daily so students never repeat the same sheet.
Does the Statistics worksheet for Class 9 include answers?+
Yes! Every SparkEd worksheet comes with a complete answer key. Students can self-check their work after completing the sheet. The PDF is free to download and print.
Is this statistics worksheet aligned to CBSE syllabus?+
Yes. This worksheet is specifically designed for Class 9 CBSE students and aligned to the 2025-26 CBSE syllabus. All questions follow the CBSE exam pattern and difficulty level.
Can I print this Statistics worksheet?+
Absolutely! The worksheet downloads as an A4-size PDF that is ready to print. It includes the questions, space for working, and a separate answer key — perfect for classroom use or home practice.
How is this worksheet different from NCERT textbook exercises?+
SparkEd worksheets go beyond NCERT exercises by providing 30 questions at 3 progressive difficulty levels. Level 1 (Easy) builds confidence, Level 2 (Medium) tests application, and Level 3 (Hard) prepares for exams. Each worksheet includes word problems and conceptual questions, not just computation.

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