Choose the correct answer from the given four options: While comp… - Vidyadip

MCQ

Choose the correct answer from the given four options:
While computing mean of grouped data, we assume that the frequencies are:

A
Evenly distributed over all the classes.
✓
Centred at the classmarks of the classes.
C
Centred at the upper limits of the classes.
D
Centred at the lower limits of the classes.

✓

Answer

Correct option: B.

Centred at the classmarks of the classes.

In computing the mean of grouped data, the frequencies are centred at the class marks of the classes.

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