Ex.3.1 Q1 Data Handling - NCERT Maths Class 7
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Question
Find the range of the heights of any \(10\) students of your class
Video Solution
Data Handling
Ex 3.1 | Question 1
Text Solution
What is known?
The heights of ten student.
What is unknown?
The range of heights.
Reasoning:
Range \(=\) Highest value \(-\) Lowest value
Steps:
Serial no. |
Name of the students |
Height (in cm) |
\(1\) |
Yash |
\(126\) |
\(2\) |
Nidhi |
\(128\) |
\(3\) |
Toshi |
\(134\) |
\(4\) |
Abhishek |
\(148\) |
\(5\) |
Dimple |
\(146\) |
\(6\) |
Parul |
\(132\) |
\(7\) |
Neha |
\(129\) |
\(8\) |
Ananya |
\(137\) |
\(9\) |
Arya |
\(127\) |
\(10\) |
Dipti |
\(130\) |
\(\therefore\) Range \(=\) Highest value \(-\) Lowest value
Highest value among this observation \(= 148\)
Lowest value among this observation \(= 126\)
\(\therefore\) Range \(= 148 - 126 = 22 \rm\,cm\)