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CBSE Class 11-science Answered

How to calculate the mean of a grouped data?
Asked by nidhilmohan | 25 Feb, 2010, 10:02: PM
answered-by-expert Expert Answer

class mark = (class lower limit + class upper limit)/2

Mean = [Σ(class mark)(class frequency)]/[Σ(class frequency)]

regards,

Team,

TopperLearning.

Answered by | 26 Feb, 2010, 05:24: AM

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