Examlex
Which of the following phyla is unusual, as it is composed of a single species?
Normal Probability Distribution
A statistical function that describes all the possible values and likelihoods that a random variable can take within a given range, characterized by its bell-shaped curve, symmetric about the mean.
Standard Deviation
A statistical metric that quantifies the dispersion or variability of a dataset relative to its mean.
Mean
The average of a set of numbers, calculated by dividing the sum of the values by the number of values.
Standard Normal Variable
A standard normal variable is a random variable that follows a normal distribution with a mean of zero and a standard deviation of one.
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