Examlex
By the time the average child reaches their twelfth birthday, they will weigh about ____ pounds and be about ____ inches tall.
Mean
A measure of central tendency that is calculated by adding all numbers in a data set and dividing by the number of observations.
Median
Value of a variable that splits a distribution of scores in half, with the same number of scores above the median as below.
Standard Deviation
A statistic used to determine the degree of spread or variation among data values in a series.
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