Examlex
Which of the following is NOT a hallucinogenic drug?
Degrees Of Freedom
The total count of values that can change in the ultimate calculation of a statistical figure.
Standard Normal Distribution
A bell-shaped distribution that has a mean of zero and a standard deviation of one, used in probability and statistics.
T-Distribution
A type of probability distribution 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.
Confidence Intervals
Statistical intervals that estimate where a population parameter, based on sample data, is expected to lie, including a range of possible values.
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