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Question

The distribution below shows the number of wickets taken by bowlers in one- day cricket matches. Find the mean number of wickets by choosing a suitable method.

No. of wickets205050100100150150250250350350450No. of bowlers75161224

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Solution

Since, the class intervals are not continuous, we will use Direct Method to find the mean.

No. of wickets205050100100150150250250350350450No. of bowlers(fi)75161224Class Marks(xi)3575125175300400xifi245375200021006001600

fi=46 and fixi=6920

Hence, Mean =fixifi=692046=150.43


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