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Unformatted text preview: AP Statistics Chapter 3 Section 1 Vocab • Individuals • Variables • Quantitative variable • Categorical variable • Response variable • Explanatory variable • Scatterplot • Direction – positive or negative • Form – linear, curved, clustered, etc • Strength – moderate, strong, weak, etc • outliers Scatterplot • 2 nd y= • Plot on • Type: first one is scatterplot • Xlist: explanatory variable • Ylist: response variable • Mark: choose one you can see easily SAT scores by state How do the students in each state in the US compare with regard to their median SAT math score? Does the percentage of students taking the test in each state make a difference in the median score of the SAT math section? Scatterplot State Median SAT Math Score Percent of students taking the SAT by state 580 560 540 520 500 480 460 440 Explanatory/Response In the relationship between the percentage of students taking the SAT and the median SAT math scores by state what is the: ~ explanatory variable?...
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 Fall '08
 AKBAS
 Statistics, AP Statistics, median sat math

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