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Gujarat Board Class 11 Statistics — Formula Sheet

Gujarat Board Class 11 Statistics formula sheet, chapter by chapter — 17 formulas across 5 chapters. Follows the GSEB syllabus.

How to Use the Formula Sheet

  1. Write, don't just read — writing each formula out helps it stick.
  2. Understand the derivation — you can rebuild a formula you half-remember.
  3. Group related formulas — link the ones that build on each other.
  4. Test yourself — cover the sheet and write the formulas from memory.

Chapter-Wise Formulas — 5 Chapters

3

Measures of Central Tendency

2 entries
For raw data: M = value of ((n+1)/2)th observation.
For continuous data: M₀ = L + ((f₁ - f₀)/(2f₁ - f₀ - f₂)) × c.
The full Measures of Central Tendency formula sheet
4

Measures of Dispersion

2 entries
A positional measure based on the middle 50% of data, calculated as Qd = (Q3 - Q1)/2.
Formula: MD = Σ|xi - x̄|/n for ungrouped data.
The full Measures of Dispersion formula sheet
5

Skewness of Frequency Distribution

4 entries
For ill-defined mode: Skewness = 3(mean - median)
For well-defined mode: j = (x̄ - M₀)/s.
For ill-defined mode: j = 3(x̄ - M)/s.
Based on quartile positions: j = (Q₃ + Q₁ - 2M)/(Q₃ - Q₁).
The full Skewness of Frequency Distribution formula sheet

2 more chapters below

Formula sheets for all 5 chapters with formulas.

Get the Formula Sheets

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Frequently Asked Questions

Where can I find Gujarat Board Class 11 Statistics Formula Sheet?

This page has formula sheet for 5 chapters of Gujarat Board Class 11 Statistics for the 2026-27 session. Each chapter links to its own page with the full set.

Go through the syllabus first, then work chapter by chapter: learn the ideas, practise questions, and revise with notes and flashcards. Leave time at the end to revise every chapter once more under timed conditions.

Learn the formulas you use most first, and understand what each symbol means so you can apply them. Knowing where a formula comes from helps you rebuild it if you forget it in the exam.

Browse Formula Sheet by Chapter

5 chapters

3

Measures of Central Tendency

4

Measures of Dispersion

5

Skewness of Frequency Distribution

6

Permutations, Combination and Binomial Expansion

9

Geometric Progression

More Statistics Resources

Gujarat Board Class 11

Practice Quiz

Test yourself with quick quizzes

Important Questions

Exam-style questions with answers

Revision Notes

Key concepts and quick revision points

Chapter Summary

Understand each chapter at a glance

Flashcards

Quick-fire cards for active recall practice

Syllabus

Chapter list and the topics in each

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