Statistical inference. Not to be confused with Statistical interference. Statistical inference is the process of deducing properties of an underlying distribution by analysis of data. Inferential statistical analysis infers properties about a population: this includes testing hypotheses and deriving estimates.
The Presbyterian Church (USA) , or PC(USA) , is a mainline Protestant Christian denomination in the United States.
When the United Presbyterian Church in the USA merged with the Presbyterian Church in the United States there were 3,131,228 members. Statistics shows steadily decline since 1983. (The combined membership of the PCUS and United Presbyterian Church peaked in 1965 at 4.25 million communicant members.