The geometric mean of four observations is the
A) same as their weighted mean.
B) same as their arithmetic mean.
C) square root of the product of the 4 observations.
D) fourth root of the product of the 4 observations.

Question

Quizplus · Accepted Answer

The geometric mean of n observations is the nth root of the product of the observations. For four observations, it is the fourth root of their product.

The Geometric Mean of Four Observations Is the