The Following Is the Frequency Distribution for the Speed of a Sample

question 77

Multiple Choice

The following is the frequency distribution for the speed of a sample of automobiles traveling on an interstate highway. The standard deviation is

• A) 9.06.
• B) 9.28.
• C) 86.19.
• D) 82.09.

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Definitions:

Mortality Rates

The measure of the number of deaths (in general, or due to a specific cause) in a particular population, scaled to the size of that population, per unit of time.

Sleeping Hours

Sleeping hours refer to the duration of time that an individual spends in sleep within a 24-hour period.

Night Terror

A sleep disorder causing feelings of terror or dread, and typically occurs during non-REM sleep.

Panic

A sudden overwhelming feeling of fear and anxiety, usually resulting in wildly unthinking behavior or reactions.