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Measures of Central Tendency

Gujarat Board · Class 11 · Statistics

Quick revision notes for Measures of Central Tendency — Gujarat Board Class 11 Statistics. Key concepts, formulas, and definitions for last-minute revision.

45 questions24 flashcards5 concepts

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Key Topics to Revise

1

Basic Concepts and Characteristics

  • Central tendency represents the concentration of data values around a central value
  • An average serves as a representative value for the entire dataset
  • Averages help in data comparison, decision-making, and future predictions
2

Arithmetic Mean

  • Most commonly used measure of central tendency
  • Sum of all observations divided by number of observations
  • Suitable for evenly distributed data without extreme values
3

Geometric Mean

  • Nth root of the product of n positive observations
  • Used for rates, percentages, and ratios
  • Always less than or equal to arithmetic mean
4

Median and Positional Averages

  • Median is the middle value in ordered data
  • Divides data into two equal halves (50% below, 50% above)
  • Not affected by extreme values

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Full Notes

Key Concepts

The sum of all observations dividedThe middle value when dataThe value that appears most frequentlyQuartiles divide data into 4 equalUsed when observations have different importance

Frequently Asked Questions

What are the important topics in Measures of Central Tendency for Gujarat Board Class 11 Statistics?
Measures of Central Tendency covers several key topics that are frequently asked in Gujarat Board 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 — Gujarat Board Class 11 Statistics?
Understand the core concepts first, then work through the 45 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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