Examlex
A correlation coefficient merely investigates the presence,strength,and direction of a linear relationship between two variables.
z
Represents the standard score, indicating how many standard deviations an element is from the mean.
Standard Normal Random Variable
A normal distribution with a mean of 0 and a standard deviation of 1, used as a basis for comparison in statistics.
z
In statistics, often refers to a z-score, which measures the number of standard deviations a data point is from the mean of a distribution.
Standard Normal Random Variable
A random variable with a mean of zero and a standard deviation of one, following a normal distribution.
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