Download the Class 11 Maths Chapter 13 Statistics NCERT Book PDF, the official 2026-27 NCERT textbook chapter. It builds the measures of spread that students need for the Boards, JEE Main, JEE Advanced and CUET.
- Official NCERT 2026-27 chapter, clean and print-ready.
- Covers range, mean deviation, variance and standard deviation.
- Read it alongside the solved exercises and the formula sheet linked below.
This Class 11 Maths Chapter 13 Statistics NCERT Book PDF is the official 2026-27 NCERT text, checked page by page against the latest edition.
What Class 11 Maths Chapter 13 Statistics Covers
The chapter moves from simple measures of dispersion to the range, then to mean deviation and finally to variance and standard deviation. The official NCERT sections are listed below.
| Section | Topic |
|---|---|
| 13.1 | Introduction to statistics |
| 13.2 | Measures of dispersion |
| 13.3 | Range |
| 13.4 | Mean deviation |
| 13.5 | Variance and standard deviation |
Key Concepts You Will Study
Students should read the chapter with a pen and note each formula as it appears. The ideas are compact but return in probability and data work.
- Why we need a measure of dispersion along with a measure of central value.
- The range as the simplest measure of spread of a data set.
- The mean deviation about the mean and about the median for grouped and ungrouped data.
- The variance and its formula for a frequency distribution.
- The standard deviation and the shortcut method to compute it.
Why Download the NCERT Book PDF for This Chapter
The NCERT textbook is the single most important source for the CBSE exam, and most JEE and CUET questions from this chapter are built directly on its examples.
- Every Board question on dispersion comes from this text or its exercises.
- The worked examples show the correct way to set up a frequency table.
- Reading offline from the PDF keeps every formula and table in one place.
How to Use the NCERT Book PDF for Statistics
Read the chapter once fully, then work through it a second time with the exercises open. A short, ordered plan keeps the formulas from blurring together.
- Read each section, then write its main formula in your own words in a single line.
- Solve the in-text examples before looking at the given solution.
- Attempt the back exercises, then check them against the NCERT Solutions below.
- Revise the variance and standard deviation formulas the night before the exam.
Other Class 11 Maths Statistics Resources
Pair the textbook PDF with the solved answers, revision notes and formula sheet for the same chapter.
| Resource | Link |
|---|---|
| NCERT Solutions | Statistics NCERT Solutions |
| Revision Notes | Statistics Notes |
| Formula Sheet | Statistics Formula Sheet |
| Exemplar Book PDF | Statistics Exemplar Book PDF |
FAQs on Class 11 Maths Chapter 13 NCERT Book PDF
Statistics NCERT PDF - Frequently Asked Questions
Ques. Is this the latest 2026-27 NCERT Book for Class 11 Maths Chapter 13?
Ans. Yes. This is the official NCERT 2026-27 textbook chapter for Class 11 Maths Chapter 13 Statistics, matched page by page against the latest edition.
Ques. What topics are in Class 11 Maths Chapter 13?
Ans. The chapter covers measures of dispersion, the range, mean deviation about the mean and median, and the variance and standard deviation for grouped and ungrouped data.
Ques. Is the NCERT Book enough for this chapter in JEE and CUET?
Ans. The NCERT Book is the base for this chapter, and most JEE and CUET questions on statistics are built on its examples. Pair it with the Exemplar for extra higher-order practice.
Ques. Where can I download the Class 11 Maths Chapter 13 NCERT Book PDF?
Ans. You can download the Class 11 Maths Chapter 13 Statistics NCERT Book PDF free from the download card at the top of this page, in both standard and HD quality.
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