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Chapter 3 Class 7 Data Handling

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Updated for new NCERT Book.

Get solutions of all NCERT Questions of Chapter 3 Class 7 Data Handling. Answers of all exercise questions and examples are solved for your reference.

 

We learned about Data Handling in Class 6, where we learned about data, Tally Marks, Pictograph and Bar Graph.

In this chapter, we will learn

  • Representative value of data
  • What is arithmetic mean, and how to find it
  • How to find range
  • What is mode, and how to find it
  • Finding mode for large data
  • What is median, and how to find it
  • Reading and drawing bar graphs using appropriate scale
  • Reading and drawing double bar graphs

 

Then, we will learn some basics about Probability like

  • What is chance, probability, and how do we find probability
  • What are certain, impossible, can happen but not certain events

 

Click on an exercise link below to get NCERT Solutions.

Or you can also click a topic in Concept wise below, it has explanation of the topic with NCERT Questions ordered from easy to difficult. Very useful in revising a topic or when first doing a topic.

Serial order wise

  Ex 3.1
  Ex 3.2
  Ex 3.3
  Examples
  Basic Probability Questions

Concept wise

  Data and its representation
  Mean
  Range
  Mean and Range
  Mode
  Median
  Mean, Median and Mode
  Bar Graph
  Double Bar Graph
  Probability

What's in it?

Updated for new NCERT Book.

Get solutions of all NCERT Questions of Chapter 3 Class 7 Data Handling. Answers of all exercise questions and examples are solved for your reference.

 

We learned about Data Handling in Class 6, where we learned about data, Tally Marks, Pictograph and Bar Graph.

In this chapter, we will learn

  • Representative value of data
  • What is arithmetic mean, and how to find it
  • How to find range
  • What is mode, and how to find it
  • Finding mode for large data
  • What is median, and how to find it
  • Reading and drawing bar graphs using appropriate scale
  • Reading and drawing double bar graphs

 

Then, we will learn some basics about Probability like

  • What is chance, probability, and how do we find probability
  • What are certain, impossible, can happen but not certain events

 

Click on an exercise link below to get NCERT Solutions.

Or you can also click a topic in Concept wise below, it has explanation of the topic with NCERT Questions ordered from easy to difficult. Very useful in revising a topic or when first doing a topic.