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Automatic vending sells merchandise such as Apple products, toys, and sports cards.
Σ
Represents the mathematical symbol for summation, indicating the addition of a sequence of numbers.
Central Tendency
A statistical measure that identifies a single value as representative of an entire distribution of data, often the mean, median, or mode.
Standard Deviation
A statistic that indicates the dispersion or variability of a set of numerical data points around the mean.
Sample Size
The number of observations or participants included in a statistical sample.
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