36. While computing mean of grouped data, we assume that the frequencies are
(a) evenly distributed over all the classes.
(b) centred at the class marks of the classes.
(c) centred at the upper limit of the classes.
(d) centred at the lower limit of the classes.
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option (b)
centred at the class marks of the classes.
Step-by-step explanation:
While computing mean of grouped data, we assume that the frequencies are
centred at the class marks of the classes.
The objective of statistical interpretation is to organize data into a concise form so that interpretation and analysis become easy. It is for this reason that we organize larger data into a table called the frequency distribution table.
hence option (b)
centred at the class marks of the classes.
#Learn more :
The class mid point is equal to
https://brainly.in/question/16217169
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