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15 cards from this deck
Add all values, divide by number of values
Sum of all valuesNumber of values\frac{\text{Sum of all values}}{\text{Number of values}}Number of valuesSum of all values
Middle value when data arranged in ascending order
Average of the two middle numbers
Value that appears most frequently in data set
Largest value minus smallest value
Data varies greatly
Data is more consistent
Arrange data values in ascending order
There is no mode
Not affected by outliers
Heavily affected by outliers
Use mid-points of each group
Lower boundary + Upper boundary2\frac{\text{Lower boundary + Upper boundary}}{2}2Lower boundary + Upper boundary
∑(Midpt×Freq)Total freq\frac{\sum(\text{Midpt} \times \text{Freq})}{\text{Total freq}}Total freq∑(Midpt×Freq)
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