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Mathematics

Find the mean of 43, 51, 50, 57 and 54.

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Answer

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

= 43+51+50+57+545\dfrac{43 + 51 + 50 + 57 + 54}{5}

= 2555\dfrac{255}{5}

= 51

Hence, the mean is 51.

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