TABLE 2-5 The Following Are the Duration in Minutes of a Sample

question 31

Multiple Choice

TABLE 2-5
The following are the duration in minutes of a sample of long-distance phone calls made within the continental United States reported by one long-distance carrier.
-Referring to Table 2-5, if 1,000 calls were randomly sampled, how many calls lasted under 10 minutes?

• A) 220
• B) 370
• C) 410
• D) 590

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Definitions:

Excessive Reassurance Seeking

Part of Coyne’s model of depression where a depressed person seeks reassurance about him- or herself from non-depressed people.

Melatonin

A hormone produced by the pineal gland that regulates sleep-wake cycles, often used as a supplement to treat insomnia and jet lag.

Seasonal Affective Disorder

A type of depression that occurs at a specific time of year, typically in the winter months, associated with reduced exposure to sunlight.

Seasonal Variation

Seasonal variation refers to changes or patterns that occur in data or behaviour at specific times of the year, often influenced by changes in the environment, weather, or societal activities.