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Formula Sheet

Measures Of Central Tendency — Formula Sheet

NIOS · Class 10 · Maths

7 formulas from Measures Of Central Tendency (NIOS Class 10 Maths) on one page, grouped by topic. Part of the NIOS Class 10 Maths syllabus.

30 questions30 flashcards7 formulas & key relations5 concepts

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An infographic illustrating the three main measures of central tendency: Mean, Median, and Mode, with a brief definition for each and their purpose in describing a dataset's central position.
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7 Entries · 2 Sections

Formulas and Key Relations

Mean

x̄ = (Σ(i=1 to n) x_i)/n = (x_1 + x_2 + ... + x_n)/n

x̄ = (Σ(i=1 to n) f_i x_i)/(Σ(i=1 to n) f_i) = (Σ f_i x_i)/N

d_i = x_i - a

x̄ = a + (Σ f_i d_i)/N

x_i = (lower class limit + upper class limit)/2

Median

Median = ((n+1)/2)th observation

Median = [ (n/2)th observation + (n/2 + 1)th observation ] / 2

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Frequently Asked Questions

What are the important topics in Measures Of Central Tendency for NIOS Class 10 Maths?
Key topics in Measures Of Central Tendency include Core Ideas and Definitions, Mean of Raw Data and Ungrouped Data, Mean of Grouped Data, Median in Detail. Study these first, then practise questions on each for the NIOS Class 10 board exam.
How many formulas are in Measures Of Central Tendency?
This sheet lists 7 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 NIOS Class 10 board exam?
Learn the core ideas first, then work through the 30 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 NIOS Class 10 Maths Formula Sheet

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