In Statistics, a Sample Statistic Is One That Takes a Subset

Multiple Choice

In statistics, a sample statistic is one that takes a subset of individuals from within a statistical population to estimate characteristics of the whole population. In statistical analysis the mean value tells the ____________ and variation tells the _________of an action.

A) Expected performance, consistency.
B) Forecasted performance, reliability.
C) Past performance, duration.
D) Current performance, subjectivity.