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Chapter 12 Class 9 Statistics

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Updated for 2023-24 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.

Concept wise

What's in it?

Updated for 2023-24 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.