Selina solutions

Selina solutions

Grade 7

Data Handling | Exercise 21(A)

Question 1

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Question 1

Q1) 1. Consider the following numbers :

68, 76, 63, 75, 93, 83, 70, 115, 82, 105, 90, 103, 92, 52, 99, 73, 75, 63, 77 and 71.

(i) Arrange these numbers in ascending order.

(ii) What is the range of these numbers?

Solution:

(i) When the above data are written in ascending order. We get,

52, 63, 63, 68, 70, 71, 73, 75, 75, 76, 77, 82, 83, 90, 92, 93, 99, 103, 105, 115

(ii) Range of given numbers = Largest number – Smallest number

= 115 - 52 = 48

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