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Which of the following is the formula for a confidence interval for the ratio of the population variances /
?
REM Sleep
A phase of sleep characterized by rapid eye movements and brain activity similar to being awake, often associated with vivid dreaming.
Nightmare
A disturbing dream associated with negative feelings, such as fear or horror, which can awake a person.
Parasomnias
Sleep disturbances in which behaviors and physiological states that normally take place only in the waking state occur while a person is sleeping.
Insomnias
Sleep disorders characterized by difficulty falling or staying asleep, leading to significant distress or impairment in daytime functioning.
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