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Chapter 12 Class 9 Statistics

Master Chapter 12 Class 9 Statistics with comprehensive NCERT Solutions, Practice Questions, MCQs, Sample Papers, Case Based Questions, and Video lessons.

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Updated for 2026 Exams NCERT Book.

Get solutions of all NCERT Questions of Chapter 12 Class 9 Statistics. All exercise questions and examples are solved with detailed explanations of each and every question.

 

In this chapter, we will learn

  • The difference between primary and secondary data
  • Representing raw data as ungrouped and grouped frequency distribution table
  • Representing data as a bar graph
  • Drawing a histogram - with uneven class interval
  • Drawing frequency polygon - with and without a histogram
  • Finding mean, median and mode of raw data

 

Click on a NCERT Exercise below, or start the chapter from the concepts given below.

Serial order wise

Ex 12.1 Start Learning
Examples Start Learning
Primary and Secondary Data Start Learning
Making grouped frequency distribution table Start Learning
Finding Mean, Median, Mode Start Learning

Concept wise

Collecting Data Start Learning
Raw Data Start Learning
Ungrouped Data Start Learning
Grouped Data Start Learning
Bar Graph Start Learning
Histogram Start Learning
Frequency polygon Start Learning
Mean Start Learning
Median Start Learning
Mode Start Learning
Combined - Mean Median Mode Start Learning

Why Learn This With Teachoo?

Updated for 2026 Exams NCERT Book.

Get solutions of all NCERT Questions of Chapter 12 Class 9 Statistics. All exercise questions and examples are solved with detailed explanations of each and every question.

 

In this chapter, we will learn

  • The difference between primary and secondary data
  • Representing raw data as ungrouped and grouped frequency distribution table
  • Representing data as a bar graph
  • Drawing a histogram - with uneven class interval
  • Drawing frequency polygon - with and without a histogram
  • Finding mean, median and mode of raw data

 

Click on a NCERT Exercise below, or start the chapter from the concepts given below.