Organizing & Summarizing Data (Chapter 2)

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Last updated 5:27 AM on 5/20/26
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5 Terms

1
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frequency distribution

lists each category of data and the number of occurrences for each category of data

2
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relative frequency

the proportion (or percent) of observations within a category and is found using the formula

relative frequency = frequency/sum of all frequencies

3
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bar graph

rectangles either horizontally or vertically

4
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pareto chart

bar graph whose bars are drawn in decreasing order of frequency of relative order

5
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pie chart

circle divided into sectors; each sector represents a category of data; the area of each sector is proportional to the frequency of the category