Ex.3.1 Q3 Data Handling - NCERT Maths Class 7

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Question

Find the mean of the first \(5\) whole numbers.

 Video Solution
Data Handling
Ex 3.1 | Question 3

Text Solution

What is known?

First 5 whole numbers

What is unknown?

Mean of first 5 whole numbers.

Reasoning:

Mean of first five whole numbers

\[\begin{align}=\frac{\text{Sum of all numbers}}{\text{Total numbers}}\end{align}\]

Steps:

The first five while numbers are \(0, 1, 2, 3, 4\)

\(\therefore\) Mean of first five whole numbers

\[\begin{align}=\frac{\text{Sum of all numbers}}{\text{Total numbers}}\end{align}\]

Arithmetic mean

\[\begin{align} &= \frac{{0 + 1 + 2 + 3 + 4}}{5}\\ &= \frac{{10}}{5}\\ &= 2\end{align}\]

Thus, the mean of first five whole numbers is \(5.\)

  
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