A Sample Is Selected from a Population with a Mean

question 2

Multiple Choice

A sample is selected from a population with a mean of µ = 40.If the sample mean is M = 45,which of the following combinations would make the sample mean an extreme,unrepresentative value for the population?

• A)A small sample and a small population standard deviation
• B)A small sample and a large population standard deviation
• C)A large sample and a small population standard deviation
• D)A large sample and a large population standard deviation

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Definitions:

Rapid Eye Movement

A phase of sleep characterized by quick, random movements of the eyes, associated with dreaming and increased brain activity.

Frequent Nightmares

Recurring distressing dreams that often awaken the sleeper, typically associated with negative emotions.

Anxiety And Depression

A combination of disorders characterized by persistent feelings of worry, sadness, and a lack of interest in life activities.

Insomnia

A sleep disorder characterized by difficulty falling asleep, staying asleep, or getting restorative sleep.