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RD Sharma Solution for Class 9 Mathematics Chapter 24 - Measures of Central Tendency

Our RD Sharma Textbook Solutions are considered extremely helpful for solving the tough questions which are asked in the CBSE Class 9 exam. TopperLearning Textbook Solutions are compiled by subject experts. Herein, you can find all the answers to the textbook questions for Chapter 24 - Measures of Central Tendency.

All our solutions are created in accordance with the latest CBSE syllabus, and they are amended from time to time to provide the most relevant answers. Our free RD Sharma Solutions for CBSE Class 9 Mathematics will strengthen your fundamentals in Mathematics and will help you in your attempts to score more marks in the final examination. CBSE Class 9 students can refer to our solutions any time — while doing their homework and while preparing for the exam.

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(i)

(ii)

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Solution 24

RD Sharma Solution for Class 9 Mathematics Chapter 24 - Measures of Central Tendency Page/Excercise 24.2

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 x f xf 10 17 170 30 f1 30f1 50 32 1600 70 f2 70f2 90 19 1710 N = 120

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RD Sharma Solution for Class 9 Mathematics Chapter 24 - Measures of Central Tendency Page/Excercise 24.4

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Solution 4(i)

Arranging the data in an ascending order  14, 14, 14, 14, 17, 18, 18, 18, 22, 23, 25, 28   Here observation 14 is having the highest frequency i.e. 4 in given data. So, mode of given data is 14.

Solution 4 (ii)

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RD Sharma Solution for Class 9 Mathematics Chapter 24 - Measures of Central Tendency Page/Excercise 24.21

Solution 1

Range is not a measure of central value.

The difference between the highest value and the lowest value in the data set is called Range.

Hence, correct option is (b).

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RD Sharma Solution for Class 9 Mathematics Chapter 24 - Measures of Central Tendency Page/Excercise 24.22

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 Mean Median Mode 2, 2, 2, 2, 4 12/5 = 2.4 2 2 1, 3, 3, 3, 5 15/5 = 3 3 3 1, 1, 2, 5, 6 15/5 = 3 2 1 1, 1, 1, 2, 5 10/5 = 2 1 1

From above table, data 1, 3, 3, 3, 5 has mean, median, mode all have same value, i.e. 3.

Hence, correct option is (b).

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Most Frequent value is called mode.

Hence, correct option is (c).

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Solution 14

The empirical Relation between mean, median and mode is

Mode = 3 Median - 2 mean

Hence, correct option is (a).

Solution 15

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TopperLearning provides step-by-step solutions for each question in each chapter in the RD Sharma textbook for class 9. Access the CBSE Class 9 Mathematics Chapter 24 - Measures of Central Tendency for free. The textbook questions have been solved by our subject matter experts to help you understand how to answer them. Our RD Sharma Textbook Solutions will help you to study and revise, and you can easily clear your fundamentals of Chapter 24 - Measures of Central Tendency.

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