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Your Husband Just Woke Up, and He Said He Was

question 144

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Your husband just woke up, and he said he was having the most bizarre dream. What stage was he probably awakened during?


Definitions:

Non-Negative

A term to describe numbers that are both positive and zero, but not negative.

Chi-Squared Distribution

A probability distribution that arises in statistics as the distribution of the sum of the squares of k independent standard normal random variables.

Variance

A statistical measure of the dispersion of a set of data points in relation to their mean.

Mean

The arithmetic average of a set of numbers, calculated by adding all the numbers together and dividing by the count of numbers.

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