Examlex
Which of the following statements about handedness is true?
Normal Distribution
A bell-shaped distribution that is symmetric about the mean, describing how values of a variable are spread or dispersed.
Mean
The arithmetic average of a set of numbers, calculated by adding them together and dividing by the count of numbers.
Standard Deviation
It quantifies the spread of a dataset, illustrating how much individual data points diverge from the mean value.
Z-score
A measure of how many standard deviations an element is from the mean; used in statistics for standardizing scores.
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