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Chapter 25 of 26
Study Plan

Measures Of Central Tendency — Study Plan

NIOS · Class 10 · Maths

A step-by-step study plan for Measures Of Central Tendency, NIOS Class 10 Maths: what to learn first, what to practise and when to revise.

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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Study Plan

1
Day 1–2

Learn the Theory

Read the textbook chapter carefully. Note down definitions, formulas and key ideas. Focus on: 1. Core Ideas and Definitions, 2. Mean of Raw Data and Ungrouped Data, 3. Mean of Grouped Data.

2
Day 3

Practise

Solve the textbook exercises and extra practice questions. There are 30 questions available for this chapter.

3
Day 4

Revise & Test

Revise key points without looking at your notes. Take a practice quiz and mark weak areas for another pass.

4
Day 7

Spaced Revision

Come back to Measures Of Central Tendency after a week. Use flashcards for quick recall and try past exam questions on this chapter.

What to Focus On

  • Mean is one of the three measures of central tendency.
  • Raw data mean uses every observation directly.
  • Ungrouped frequency mean uses frequencies and values together.
  • Median depends on the middle position, not on all values.
  • Data must be arranged before finding the median.
  • For odd n, one middle observation is taken.
  • Mode shows the most common value in a dataset.
  • A dataset may have no mode.
  • A dataset may have more than one mode.

Common Mistakes to Avoid

Mean is always found by adding the observations and dividing by the number of values, even when frequency is given.

In grouped data, the class interval itself is used as the value for mean calculations.

The assumed mean must always be the exact middle value or a fixed number like 30 or 35.

Memory Tips

Three measures of central tendency

Meaning of measure of central tendency

Mean of raw data

Mean formula for raw data

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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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