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Unformatted text preview: was 140 points higher (about one standard deviation in the sample). What is the predicted difference in college GPA for these two students? 4) Holding hsperc fixed what difference in SAT scores leads to a predicated colGPA difference of .50, or one‐half of a grade point? 10. A researcher has data for 33 states’ data on soda taxes and obesity rate (percentage of people who are obese), Soda taxes measured in cents, and estimates the following regression (Note that log value of soda tax is used as the independent variable). Standard errors are i...
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- Spring '14