Chapter 2: Frequency Distributions
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20 Terms
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frequency distribution
always shows the categories that make up the scale and the frequency in each category
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proportions
fraction of the total group that's associated w/each score
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percentage
relative frequency out of 100
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histogram
continuous data, no gaps b/w bars
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block histogram
slight variation of a histogram
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polygon
similar to histogram, uses dots and connects them
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bar graph
discrete, categorical data
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skewed distribution
scores pile up on one side and taper off in a tail on the other
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what type of graph is the image?
histogram
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what type of graph is this image?
block histogram
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what type of graph is this image?
polygon histogram
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what type of graph is this image?
bar graph
