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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.

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.