A Sample Is Chosen Randomly from a Population That Was

question 4

Multiple Choice

A sample is chosen randomly from a population that was strongly skewed to the right.Describe the sampling distribution model for the sample mean if the sample size is small.

• A)Skewed right,centre at μ,standard deviation σ/
• B)Normal,centre at μ,standard deviation
• C)There is not enough information to describe the sampling distribution model.
• D)Normal,centre at μ,standard deviation σ/
• E)Skewed right,centre at μ,standard deviation

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Definitions:

Excessive Daytime Sleepiness

A condition characterized by persistent sleepiness and a lack of energy during the day, even after adequate nighttime sleep.

Narcolepsy

A chronic sleep disorder characterized by overwhelming daytime drowsiness and sudden attacks of sleep, often associated with a loss of muscle tone triggered by strong emotion.

Hypersomnia

A sleep disorder characterized by excessive sleepiness, leading to prolonged nighttime sleep or excessive daytime napping.

Circadian Rhythm

The natural, internal process that regulates the sleep-wake cycle and repeats roughly every 24 hours.