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Measures of Central Tendency

ICSE · Class 10 · Mathematics

Step-by-step guide to study Measures of Central Tendency in ICSE Class 10 Mathematics. Topics to cover, practice strategy, and time allocation.

33 questions26 flashcards5 concepts

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Study Plan

1
Day 1–2

Learn the Theory

Read the textbook chapter carefully. Note down definitions, formulas, and key concepts.

2
Day 3

Practice Problems

Solve textbook exercises and additional practice questions. There are 33 questions available for this chapter.

3
Day 4

Revise & Test

Revise key formulas and concepts without looking at notes. Take a practice quiz to test your understanding. Mark weak areas for re-revision.

4
Day 7

Spaced Revision

Revisit Measures of Central Tendency after a week. Use flashcards for quick recall. Solve previous year questions from this chapter.

What to Focus On

  • Measure of central tendency gives one numerical value for a whole data set.
  • The three measures are mean, median and mode.
  • Frequency distribution tables are important for grouped data.

  • Mean = sum of observations ÷ number of observations.
  • Sigma means summation.
  • The relation Σxi = n x̄ is useful for checking work.

  • Direct method: Σfx / Σf.
  • Short-cut method: A + Σfd / Σf.
  • Step-deviation method: A + (Σft / Σf) × i.

Common Mistakes to Avoid

Mean is always found by adding the numbers and dividing by how many numbers are given, even for grouped data.

The symbol Σ means just add the frequencies or just add the values, not the full total of the required terms.

The short-cut method and step-deviation method use the same deviation formula, so the denominator can be chosen casually.

Memory Tips

Definition of measure of central tendency

Three measures of central tendency

Mean of ungrouped data

Sigma symbol meaning

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Frequently Asked Questions

What are the important topics in Measures of Central Tendency for ICSE Class 10 Mathematics?
Measures of Central Tendency covers several key topics that are frequently asked in ICSE Class 10 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Measures of Central Tendency — ICSE Class 10 Mathematics?
Understand the core concepts first, then work through the 33 practice questions available for this chapter. Revise formulas and 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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