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Formula Sheet

Statistics and Probability — Formula Sheet

Tamil Nadu Board · Class 10 · Mathematics

2 formulas from Statistics and Probability (Tamil Nadu Board Class 10 Mathematics) on one page, grouped by topic.

44 questions24 flashcards2 formulas & key relations5 concepts

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A tree diagram illustrating the multiplication theorem of probability for two sequential events, showing how to calculate the probability of their intersection.
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2 Entries · 1 Section

Formulas and Key Relations

Key relations

Variance (σ²) is the mean of squared deviations from the mean: σ² = Σ(xᵢ - x̄)²/n.

CV = (σ/x̄) × 100%, a relative measure of dispersion expressed as a percentage.

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Frequently Asked Questions

What are the important topics in Statistics and Probability for Tamil Nadu Board Class 10 Mathematics?
Key topics in Statistics and Probability include Measures of Dispersion – Overview and Range, Standard Deviation and Variance, Coefficient of Variation, Probability – Fundamentals. Study these first, then practise questions on each for the Tamil Nadu Board Class 10 board exam.
How many formulas are in Statistics and Probability?
This sheet lists 2 formulas from Statistics and Probability, grouped by topic. Learn what each symbol stands for so you can apply the formula, not just recall it.
How should I revise Statistics and Probability for the Tamil Nadu Board Class 10 board exam?
Learn the core ideas first, then work through the 44 practice questions on Statistics and Probability. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Statistics and Probability

All Tamil Nadu Board Class 10 Mathematics Formula Sheet

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