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Important Questions

Measures of Central Tendency — Important Questions

ICSE · Class 10 · Mathematics

33 important questions from Measures of Central Tendency for ICSE Class 10 Mathematics, with answers. Written for the board exams 2027.

33 questions26 flashcards12 formulas & key relations5 concepts

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33 Questions·
multiple choicemultiple correct

Important Questions from Measures of Central Tendency

1multiple correct

Which methods can be used to calculate mean for grouped data?

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Direct method, Short-cut method, Step-deviation method

The three methods for calculating mean of grouped data are: 1) Direct method using Σfx/Σf, 2) Short-cut method using assumed mean, 3) Step-deviation method using class interval.

2multiple choice

In short-cut method for mean, if A = 25 and Σfd/Σf = 3, what is the mean?

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28

Using short-cut method: Mean = A + (Σfd/Σf) = 25 + 3 = 28, where A is assumed mean and d = x - A.

3multiple choice

Calculate the mean of: 12, 15, 18, 21, 24

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18

Mean = (12 + 15 + 18 + 21 + 24)/5 = 90/5 = 18.

4multiple choice

Find the median of: 1, 3, 5, 7, 9, 11

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6

For 6 observations (even), median = (3rd term + 4th term)/2 = (5 + 7)/2 = 12/2 = 6.

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What are the important topics in Measures of Central Tendency for ICSE Class 10 Mathematics?
Key topics in Measures of Central Tendency include Core Ideas and Definitions, Mean: Methods and Worked Examples, Median, Quartiles and Graphical Methods. Study these first, then practise questions on each for the ICSE Class 10 board exam.
How many important questions are there in Measures of Central Tendency?
Super Tutor has 33 practice questions for Measures of Central Tendency, including multiple choice, multiple correct questions. A sample with answers is on this page.

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