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13 cards from this deck
Method of organizing data into intervals
Number of data points in a range
Non-overlapping ranges
Usually equal width
Number of data points within each class interval
Central value of a class interval
Lower Bound+Upper Bound2\frac{\text{Lower Bound} + \text{Upper Bound}}{2}2Lower Bound+Upper Bound
Running total of frequencies
Proportion of data in each interval
FrequencyTotal Frequency\frac{\text{Frequency}}{\text{Total Frequency}}Total FrequencyFrequency
Subtract smallest value from largest
Between 5 and 10 intervals
RangeNumber of Intervals\frac{\text{Range}}{\text{Number of Intervals}}Number of IntervalsRange
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