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Arithmetic Mean and Range

The marks of ...

Question

The marks of ten students in a mathematics talent examinations are $75, 72, 59, 62, 72, 75, 71, 70, 70, 70$ . Obtain the mode.

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Solution

Arranging the marks in ascending order
$59, 62, 70, 70, 70, 71, 72, 72, 75, 75$
$70$ has the highest frequency i.e. $3$
Therefore, mode of the given data $= 70$

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