If Northwest Airlines Selects Randomly a Set of 40 Flights

question 66

Multiple Choice

If Northwest Airlines selects randomly a set of 40 flights on a given day,and then selects randomly a group of ten passengers on each of these flights to participate in an in-flight survey,the passengers are best referred to as a ____.

• A)PSU
• B)census
• C)systematic sample
• D)secondary sampling unit

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Definitions:

Basal Ganglia

A group of nuclei in the brain associated with a variety of functions, including control of voluntary motor movements, procedural learning, and cognitive, emotional functions.

Common Factors

Numbers that are factors of two or more given numbers, shared equally among them.

Number 12

The natural number following 11 and preceding 13.

Number 24

An integer that follows 23 and precedes 25, often representing a complete day in hours or a specific identifier.