As You Relax in Preparation to Sleep (But, Before You

question 163

Multiple Choice

As you relax in preparation to sleep (but, before you sleep) , your brain waves will typically change from ____.

• A) beta to alpha
• B) theta to delta
• C) alpha to delta
• D) beta to theta

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Definitions:

Normal Curve

A bell-shaped curve that depicts the distribution of data points in a way where most of the observations cluster around the mean, showing the properties of symmetry and asymptotic tails.

Standard Deviation

A metric indicating the degree of spread or diversity among values in a dataset.

Mean

The average of a set of numbers, calculated by dividing the sum of all values by the total number of values.

Standard Normal Curve

A type of normal distribution that has a mean of 0 and a standard deviation of 1, represented graphically as a bell-shaped curve.