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Question
While computing mean of grouped data, we assume that the frequencies are ______.
Options
evenly distributed over all the classes
centred at the class marks of the classes
centred at the upper limit of the classes
centred at the lower limit of the classes
Solution
While computing mean of grouped data , we assume that the frequencies are centred at the class marks of the classes.
Explanation:-
We know that while computing the mean of a grouped data, the frequencies are centered at the class marks of the classes.
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