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9 Cards in this Set
- Front
- Back
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Frequency Distribution |
Tabular summary of data showing # of observations in each class rel |
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Relative Frequency |
Fraction of how often it appears in a data set, (Freq/N) |
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Class-Width formula |
(Largest-Smallest) / # of sellers |
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Class midpoint |
Value halfway between lower and upper class limits |
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Bar chart |
Used for data set with small categories |
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Histogram |
Bar graph, but has no separation between columns. Symmetric is triangular. Freq on Yaxis and Class limits on Xaxis |
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Cumulative Frequency distribution |
Same as freq distribution but uses < and > symbols |
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Relative (cum freq dist) |
Proportion of data set |
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Stem-Leaf graph |
Histogram rotated. 1|234 2|3456 3|45 |
