Question No 42:
What is probability: stratified random sampling?
A subpopulation is a stratum, and strata are two or more homogeneous subpopulations. Once divided into strata, each member of a stratum has an equal probability of being selected.
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Thursday, 17 March 2016
Thursday, 10 March 2016
CPHQ Exam Question No 41
Question No 41:
What is probability: systematic sampling?
Drawing every nth element from a population. (Picking every third name from a list.)
What is probability: systematic sampling?
Drawing every nth element from a population. (Picking every third name from a list.)
Thursday, 3 March 2016
CPHQ Exam Question No 40
Question No 40:
What is data?
The abstract representation of things, facts, concepts, and instructions that are stored in a defined format and structure on a passive medium (e.g., paper, computer, microfilm).
What is data?
The abstract representation of things, facts, concepts, and instructions that are stored in a defined format and structure on a passive medium (e.g., paper, computer, microfilm).
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