The Accompanying Relative Frequency Distribution Represents the Last Year Car

question 1

Multiple Choice

The accompanying relative frequency distribution represents the last year car sales for the sales force at Kelly's Mega Used Car Center. If Kelly's employs 100 salespeople, how many of these salespeople have sold at least 45 but fewer than 65 cars in the last year?

• A) 15
• B) 31
• C) 40
• D) 46

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Definitions:

Stage 1 Sleep

The initial phase of the sleep cycle, characterized by light sleep and ease of awakening.

Slow-Wave Sleep

A deep stage of sleep characterized by low-frequency, high-amplitude brain waves, associated with physical and mental restoration.

Melatonin

A hormone produced by the pineal gland that regulates sleep and wakefulness, often referred to as the "sleep hormone."

Circadian Rhythm

The physical, mental, and behavioral changes that follow a 24-hour cycle, primarily responding to light and darkness in an organism's environment.