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BECE Mathematics 2017 Paper

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Question : 37

Total: 40

The number of pupils who attended hospital from eight classes on a particular day are: 1,5,3,1,7,5,1,1.

Calculate the mean

2
3
4
5

Solution:

Concept:

Mean is the average of a set of numbers.

It is found by dividing the total sum by the number of values.

Explanation:

The given numbers are:

1, 5, 3, 1, 7, 5, 1, 1

.

First, find their sum:

1 + 5 + 3 + 1 + 7 + 5 + 1 + 1 = 24

There are

8

values in total.

Mean

= \frac{\text{Sum of values}}{\text{Number of values}} = \frac{24}{8} = 3

Answer:

The mean is

3

.

Correct option: B. 3

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