How to distinguish out of sample and post sample and in sample?

each object/event/person/whatever is chosen randomly from the population.

A sample is a small part of anything or one of a number, intended to show the quality, style, or nature of the whole; specimen.

A sample is a subcollection of members selected from a population. (Ref Triola, Elementary Statistics). A sample may be real or hypothetical. Real- Ten patients at the hospital were interviewed...

If the sample is homogeneous, then half of its volume hashalf of its mass and half of its weight.

yes----(To be submitted on company's letterhead) Date - ................... TO WHOM-SO-EVER IT MAY CONCERN It is to certify that Mr./Ms ............................................... S/o or D/o...