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JAMB Mathematics 2016 Paper

Question : 43

Total: 50

Find the mean of 10, 8, 5, 11, 12, 9, 6, 3, 15, and 23.

Solution:

Concept:

The mean is the sum of all values divided by the number of values.

Explanation:

Add all the given numbers:

10 + 8 + 5 + 11 + 12 + 9 + 6 + 3 + 15 + 23 = 102

There are

10

numbers in the set.

Divide the total sum by the count:

\text{Mean} = \frac{102}{10} = 10.2

Answer:

10.2

Correct option: C

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