Stratified sample Flashcards

1
Q

Stratified sample

A

Population split into groups with same characteristics (strata)
Number of members selected = proportional to strata’s size
Strata’s members = then selected using a simple random sample

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2
Q

Stratified sample

A

Population split into groups with same characteristics (strata)
Number of members to be selected from each strata = proportional to its size
Those members are then selected using S.R.S

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