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7 Cards in this Set
- Front
- Back
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graph axes
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x- abscissa (IV, BV, predictor variable)
y- ordinate (DV, criterion variable) |
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characteristics of graphs
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1- axes
2- rectangular in shape 3- apa=black and white 4- labeled axes |
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bar graph
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nominal categories
x axis variable is nominal bars dont touch (histogram) y axis variable is usually a measure of absolute frequency or rf rather than cf or crf |
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histogram
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quantitative data
bars touch to show continuous data |
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stem and leaf plot
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same info as histogram but less precise
1- 1,1,4,5,7,8 2- 3,5,6,7,8,9,0 3- 1.2.3.4.5.6.6.6.7.8.8.9.0 4- 2.4.5.7.9 |
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box and whisker
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shows central tendency, dispersion, and shape of distribution
box= 25th-75th percentile - length of box shows dispersion - solid line in box=median - lines show spread of the rest of the data - outlier= empty circles with case numbers |
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lepto/platy/meso-kurtic
box and whisker plot |
lepto- short box, long whiskers
platy- long box, short whisker meso- symetrical |
