Class 11 Maths Solutions Chapter 32 – Statistics

# Class 11 Maths Solutions Chapter 32 – Statistics

Table of Contents

• Average
• Calculating Average
• Summary
• Did You Know?
• What’s Next?

In the previous segment, we learnt about classifying data. In this segment of the chapter of

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‘Data handling’, we will learn how to find the average.

## What is an Average?

??????? = ??? ?? ??????

?????? ?? ??????

The Average is also called the Arithmetic mean or simply, the mean. For example,

Q. Find the mean of 1, 3, 8, 12, and 16.

Solution:

Step 1: Sum of terms = 1 + 3 + 8 + 12 + 16 = 40

Step 2: Number of terms = 5

Step 3: ???? = ??? ?? ??????

?????? ?? ??????

∴ ???? = 40

5

∴ ???? = 8

Thus, the mean of 1, 3, 8, 12, and 16 is 8.

Also Read:

RD Sharma Class 11 Solutions Chapter 32 Statistics Ex 32.2

RD Sharma Class 11 Solutions Chapter 32 Statistics Ex 32.3

RD Sharma Class 11 Solutions Chapter 32 Statistics Ex 32.4

RD Sharma Class 11 Solutions Chapter 32 Statistics Ex 32.5

RD Sharma Class 11 Solutions Chapter 32 Statistics Ex 32.6

RD Sharma Class 11 Solutions Chapter 32 Statistics Ex 32.7

Summary

 Average An Average is a result you get by adding two or more amounts together and dividing the total by the number of amounts. Steps to calculate Average Step 1: Sum of terms

## Related content

 How do we classify data? What are Tally marks? What are the different types of data? What do we mean by Statistics? What are the different types of data? How do we classify data? Bar graphs What are Mean, Median and Mode? What are Bar graphs? What is the Continuous Form of Grouping?