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

Answer 1

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.