Question

1.
Pooled mean is also called
(a) Simple Mean (b) Geometric mean
(c) Grouped mean (d) Weighted mean​

Answer 1

Answer:

Grouped mean is otherwise known as pooled mean

Answer 2

Pooled mean is also called c) Grouped mean.

• Pooled mean is the average of the means of several subsamples, as long as the subsamples have the same number of data points.

• For example, consider several lots, each containing several items. The items from each lot are sampled for a measure of some variable and  the means of the measurements from each lot are computed