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Solution - Mean of Grouped Data

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Question

The following distribution shows the daily pocket allowance of children of a locality. The mean pocket allowance is Rs.18. Find the missing frequency f.

Daily pocket allowance (in Rs11­ − 1313­ − 1515 −1717 − 1919 − 2121 − 2323 − 25
Number of workers76913f54

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Reference Material

Solution for concept: Mean of Grouped Data. For the course 8th-10th CBSE
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