The First Step in Setting Up a Stratified Sampling Plan

question 71

Multiple Choice

The first step in setting up a stratified sampling plan is to

• A) select an independent random sample from each strata
• B) analyze the strata for representativeness based on an external criterion variable
• C) select every kth element in the sampling frame
• D) divide the population into mutually exclusive and collectively exhaustive groups

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Definitions:

Bronch/o

A combining form denoting relation to the bronchi, the major air passages of the lungs.

Laryng/o

A prefix related to the larynx or voice box, often used in medical terminology.

Cheyne-Stokes Respiration

A pattern of breathing characterized by a gradual increase in the depth of breaths followed by a decrease, resulting in temporarily stopped breathing, often seen in cases of heart failure or brain damage.

Rhinoplasty

A surgical procedure to change the shape of the nose for cosmetic reasons or to improve breathing.