Examlex
Which of the following is true?
Random Variable
A variable whose possible values are numerical outcomes of a random phenomenon.
Standard Deviation
An indicator that quantifies the extent to which values in a collection differ from the average, showcasing the degree of spread or divergence among the data points.
Mean
The arithmetic average of a set of values, found by adding them together and dividing by the number of terms.
Normal Distribution
Data points nearest to the mean occur more frequently in this symmetric probability distribution, with diminishing occurrences of data points as they deviate from the mean.
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