Chapter 13: Statistics

Class 10 CBSE - Master mean, median, and mode for grouped data.

About This Chapter

Learn to calculate mean, median, and mode for grouped frequency distributions. Understand cumulative frequency and ogives.

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Chapter Sections

1

Introduction

Review of statistics.
2

Mean of Grouped Data

Direct, assumed mean, step deviation methods.

MeanAssumed Mean
3

Mode of Grouped Data

Modal class and formula.

ModeModal Class
4

Median of Grouped Data

Cumulative frequency and median formula.

MedianCumulative Frequency
5

Exercise 13.1

Practice problems.
6

Exercise 13.2

Practice problems.
7

Summary

Chapter summary.
8

Enhanced Curriculum Support

Additional resources.