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Mathematics

Find the mean of: 8, 12, 15, 9, 16

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Answer

Given,

Observations = 8, 12, 15, 9, 16

By formula,

Mean = $\dfrac{\text{Sum of observations}}{\text{Number of observations}}$

= $\dfrac{8 + 12 + 15 + 9 + 16}{5}$

= $\dfrac{60}{5}$

= 12.

Hence, the mean = 12.

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