CBSE Class 11-science Answered
How to calculate the mean of a grouped data?
Asked by nidhilmohan | 25 Feb, 2010, 10:02: PM
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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