Automobiles Traveling on a Road with a Posted Speed Limit

question 68

Multiple Choice

Automobiles traveling on a road with a posted speed limit of 65 miles per hour are checked for speed by a state police radar system. The following is a frequency distribution of speeds. (See the Excel Data File.) The standard deviation of this distribution is the closest to ________.

• A) 5.35
• B) 6.81
• C) 9.54
• D) 10.25

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Definitions:

Active Listening

A communication technique that involves giving free and undivided attention to the speaker, reflecting back what is said, and withholding judgment and advice.

Somatic Sensations

Physical feelings or perceptions originating from the body, such as pain, temperature, or proprioception.

Nonverbal Behavior

Communication without words, including gestures, facial expressions, and body language.

Progressive Muscle Relaxation

A relaxation technique involving the tensing and then relaxing of various muscle groups to reduce stress.