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Important Questions

Measures Of Central Tendency

ICSE · Class 11 · Economics

Most important questions from Measures Of Central Tendency for ICSE Class 11 Economics board exam 2026. MCQs, short answer, and long answer questions with marks.

59 questions40 flashcards5 concepts

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59 Questions·
multiple choicemultiple correct

Sample Questions

1multiple choice
3 marks

A mean of 48 was calculated for 100 observations. Later, one value was found to be 73 instead of 53. What is the correct mean?

Show answer

47.8

Original sum = 100 × 48 = 4800. Correct sum = 4800 - 73 + 53 = 4780. Correct mean = 4780/100 = 47.8.

2multiple choice
3 marks

A weighted mean is needed for values 10, 20, 30, 40 with weights 1, 2, 3, 4. What is the weighted arithmetic mean?

Show answer

30

Compute ΣWX = 10×1 + 20×2 + 30×3 + 40×4 = 10 + 40 + 90 + 160 = 300. Compute ΣW = 1 + 2 + 3 + 4 = 10. Weighted mean = 300/10 = 30.

3multiple choice
3 marks

A continuous series has frequencies 8, 15, 25, 32, 15, 5 in class intervals 0-10, 10-20, 20-30, 30-40, 40-50, 50-60. What is the median?

Show answer

30.625

Total frequency N = 100, so median position is N/2 = 50th item. Cumulative frequencies are 8, 23, 48, 80, 95, 100, so the median class is 30-40. Use M = L1 + (i/f)(m-c) = 30 + (10/32)(50-48) = 30 + 0.625 = 30.625.

4multiple choice
3 marks

A continuous series in descending order has median class 30-40, upper limit 40, class interval 10, frequency 32, median position 50, and preceding cumulative frequency 20. What is the median?

Show answer

30.625

For descending order, use M = L2 - (i/f)(m-c). Substitute values: M = 40 - (10/32)(50-20) = 40 - 9.375 = 30.625.

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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.
How many important questions are there in Measures Of Central Tendency?
There are 59 practice questions available for Measures Of Central Tendency. These cover multiple question types including MCQs, short answer, and long answer questions.

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