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When applying the goodness-of-fit test for normality, the data are divided into k non-overlapping intervals.
Non-REM Sleep
A stage of sleep characterized by slower brain waves, reduced body movement, and absence of dreams, consisting of stages 1, 2, and deep stages 3 and 4.
Nightmares
Disturbing dreams that cause the dreamer to wake up feeling anxious and frightened.
REM Sleep
A stage of sleep characterized by rapid eye movements and is closely associated with vivid dreaming.
Postural Muscles
Muscles that are primarily responsible for maintaining posture and balance, enabling the body to stand upright and perform movements efficiently.
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