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Syllabus

Measures Of Central Tendency — Syllabus

NIOS · Class 10 · Maths

What Measures Of Central Tendency covers in NIOS Class 10 Maths: 4 topics, for the 2026-27 session. 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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4 Topics · NIOS Class 10 Maths · 2026-27

Topics in Measures Of Central Tendency

1

1. Core Ideas and Definitions

  • Measures of central tendency describe the centre of a dataset.
  • The three common measures are mean, median, and mode.
  • Mean is used most often in numerical calculations.
2

2. Mean of Raw Data and Ungrouped Data

  • Mean of raw data is the sum of observations divided by their count.
  • For ungrouped frequency distribution, multiply each observation by its frequency.
  • Then divide the sum of fi xi by N, where N is the total frequency.
3

3. Mean of Grouped Data

  • Grouped data uses class intervals instead of separate values.
  • Class mark is the midpoint of a class interval.
  • The class mark is treated as the representative value for that class.
4

4. Median in Detail

  • Median is the middle observation after arranging data.
  • For odd n, the median is the ((n+1)/2)th observation.
  • For even n, the median is the mean of the n/2th and (n/2 + 1)th observations.

Key Concepts

Central concept: Measures of Central Tendency

MeanMedianModeTypes of dataFormulasWorked examplesCommon errors

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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 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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