The Best Outward Indicator of REM Sleep Is

question 21

Multiple Choice

The best outward indicator of REM sleep is:

• A) a combination of rapid eye movements and tense muscles
• B) snoring
• C) loss of muscle tone (temporary paralysis)
• D) slow, deep breathing

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Definitions:

α

Often represents the level of significance in statistical tests, marking the probability threshold below which the null hypothesis is rejected.

Degrees of Freedom

The quantity of independent variables or measures that can change during the computation of a statistic.

T Distribution

A probability distribution used in statistics that arises when estimating the mean of a normally distributed population in situations where the sample size is small and population standard deviation is unknown.

Sample Size

The number of observations or data points that are used in a statistical sample.