In the formula, for finding the mean of the grouped data, the d i 's are the deviations from A of

Question

Philoid · Accepted Answer

For finding the mean of the grouped data, d_i’s are deviations from A(Assumed mean) of the midpoints of the classes. It is necessary to find midpoints of the class intervals to find mean of the grouped data.

In the formula, for finding the mean of the grouped data, the di's are the deviations from A of

In the formula, for finding the mean of the grouped data, the d_i's are the deviations from A of