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Arithmetic Mean and Range

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Question 1
Answer
Find the range of heights of any ten students of your class.

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Solution

$\begin{matrix} S . N o . & N a m e s o f s t u d e n t s & H e i g h t (i n f e e t) 1. & G u n j a n & 4.2 2. & A d i t i & 4.5 3. & N i k h i l & 5 4. & A k h i l & 5.1 5. & R i y a & 5.2 6. & A k s h a t & 5.3 7. & A b h i s h e k & 5.1 8. & M a y a n k & 4.7 9. & R a h u l & 4.9 10. & A y u s h & 4.5 \end{matrix}$
Range = Highest height – Lowest height
= 5.3 – 4.2
= 1.1 feet.

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Find the range of heights of any ten students of your class.

Following histogram represents the height of the students in a class.:

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Arithmetic Mean and Range

Standard VII Mathematics

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