If Northwest Airlines Selects Randomly a Set of 40 Flights

question 16

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 a:

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

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Definitions:

Genetics

The study of genes, genetic variation, and heredity in living organisms, influencing traits and characteristics.

Closure

The psychological term for the process of seeking a sense of resolution or conclusion to a complex issue or an emotional matter.

Autokinetics

refers to an optical illusion where a stationary point of light appears to move in a dark room due to small involuntary eye movements.

Precognition

The claimed ability or phenomenon of knowing or perceiving future events before they happen.