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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.


Serial order wise

  Ex 12.1

Concept wise

  Mean
  Median
  Mode

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.