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Formula Sheet

Measures of Central Tendency — Formula Sheet

ICSE · Class 10 · Mathematics

12 formulas from Measures of Central Tendency (ICSE Class 10 Mathematics) on one page, grouped by topic. Part of the ICSE Class 10 Mathematics syllabus.

33 questions26 flashcards12 formulas & key relations5 concepts

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12 Entries · 4 Sections

Formulas and Key Relations

Mean

x̄ = (x1 + x2 + x3 + ... + xn) / n = Σxi / n

Σxi = n x̄

Σfx / Σf

A + (Σfd / Σf)

A + (Σft / Σf) × i

Median

Median = (n + 1) / 2 th term if n is odd

Median = average of n / 2 th term and (n / 2 + 1) th term if n is even

Quartiles and Inter-quartile Range

Q1 = (N / 4)th observation if N is even

Q3 = (3N / 4)th observation if N is even

Q3 = 3(N + 1) / 4 th observation if N is odd

Inter-quartile range = Q3 − Q1

Mean = sum of observations ÷ number of observations.

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Frequently Asked Questions

What are the important topics in Measures of Central Tendency for ICSE Class 10 Mathematics?
Key topics in Measures of Central Tendency include Core Ideas and Definitions, Mean: Methods and Worked Examples, Median, Quartiles and Graphical Methods. Study these first, then practise questions on each for the ICSE Class 10 board exam.
How many formulas are in Measures of Central Tendency?
This sheet lists 12 formulas from Measures of Central Tendency, grouped by topic. Learn what each symbol stands for so you can apply the formula, not just recall it.
How should I revise Measures of Central Tendency for the ICSE Class 10 board exam?
Learn the core ideas first, then work through the 33 practice questions on Measures of Central Tendency. 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.

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All ICSE Class 10 Mathematics Formula Sheet

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