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Chapter Summary

Measures Of Central Tendency

ICSE · Class 11 · Economics

Summary of Measures Of Central Tendency for ICSE Class 11 Economics. Key concepts, important points, and chapter overview.

59 questions40 flashcards5 concepts

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Overview

Measures of central tendency give one single value that represents a whole mass of data. The three most commonly used measures are arithmetic mean, median, and mode. Arithmetic mean is the sum of all values divided by the number of values. Median is the middle value of an ordered data set. Mode is t

Key Concepts

Central tendency is a single figure

Central tendency is a single figure that represents the whole mass of data. It gives a quick idea of the general size and nature of the group.

Arithmetic mean is defined as

Arithmetic mean is defined as the sum of values of a group of items divided by the number of items. It is the most popular and widely used measure of

Weighted arithmetic mean is used when

Weighted arithmetic mean is used when different items carry different importance or weights. Its formula is ΣWX/ΣW. It gives greater weight to more im

Median is the middle value

Median is the middle value of a series arranged in ascending or descending order. It divides the series into two equal parts and is a positional avera

Mode is the value that occurs

Mode is the value that occurs most frequently in a series. A distribution may be uni-modal or bi-modal.

Learning Objectives

  • Understand the meaning of central tendency as a single representative value for a data set.
  • Identify the three main measures of central tendency: arithmetic mean, median, and mode.
  • Learn how arithmetic mean is calculated for individual, discrete, and continuous series.
  • Understand weighted arithmetic mean and its use when items have different importance.
  • Learn how median is located in individual, discrete, continuous, inclusive, open-end, and unequal class-interval series.

Frequently Asked Questions

What are the important topics in Measures Of Central Tendency for ICSE Class 11 Economics?
Measures Of Central Tendency covers several key topics that are frequently asked in ICSE Class 11 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 11 Economics?
Understand the core concepts first, then work through the 59 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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