Examlex
An individual's first experience with heroin is one of extreme euphoria and a physiological state of calm.
Standard Normal Distribution
A normal distribution with a mean of 0 and a standard deviation of 1, serving as a basis for comparison for other distributions.
Mean
The arithmetic average of a set of values, calculated by adding all the values together and dividing by the number of values.
Standard Deviation
A measure of the amount of variation or dispersion of a set of values; a low standard deviation means the values are close to the mean, while a high standard deviation means the values are dispersed over a wider range.
Standard Normal Random Variable
A random variable with a mean of zero and a variance of one, following the standard normal distribution.
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