Another Name for the Gesture of a Traffic Cop Holding

question 28

Multiple Choice

Another name for the gesture of a traffic cop holding up an open hand to indicate "Stop" is a(n)

• A) emblem.
• B) regulator.
• C) illustrator.
• D) exhibitor.

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Definitions:

Sample Mean

The average of all the values in a sample set of data.

Confidence Interval

A span of values, taken from sample statistics, seen as likely to encase the value of an unidentified population parameter.

Confidence Level

The probability, expressed as a percentage, that a parameter lies within a specified range of values (confidence interval).

Population Mean

The average value of a property in a population.