Examlex
About when do apes first appear in Europe and Asia?
Frequency Distribution
A table or chart that gives each piece of data in the set and the frequency, or the number of times that it appears in the data set.
Standard Deviation
A statistic that measures the dispersion or variation of a set of values, indicating how much the values differ from the mean of the set.
Z-score
A statistical measure that describes a value's relationship to the mean of a group of values, expressed in terms of standard deviations from the mean.
Average Cost
A method of inventory valuation where the cost of goods sold and ending inventory are calculated based on the weighted average of all purchases.
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