Selina Concise Mathematics Class 10 ICSE Solutions Measures of Central Tendency Selina Publishers Concise Mathematics Class 10 ICSE Solutions Chapter 24 Measures of Central Tendency Measures of Central Tendency Exercise 24A – Selina Concise Mathematics Class 10 ICSE Solutions Question 1. Find the mean of the following set of numbers: (i) 6, 9, 11, 12 and 7 (ii) 11, 14, 23, 26, 10, 12, 18 and 6 Solution: Question 2. Marks obtained (in mathematics) by 9 student are given below: 60, 67, 52, 76, 50, 51, 74, 45 and 56 (a) find the arithmetic mean (b) if marks of each student be increased by 4; what will be the new value of arithmetic mean. Solution: Question 3. Find the mean of the natural numbers from 3 to 12. Solution: Question 4. (a) Find the mean of 7, 11, 6, 5, and 6 (b) If each number given in (a) is diminished by 2, find the new value of mean. Solution: Question 5. If the mean of 6, 4, 7, ‘a’ and 10 is 8. Find the value of ‘a’ ...
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