Question: Based on a study of over 143,000 students, from 110 schools, investigators2 estimate the correlation between SAT scores and first year college grade point ratios

Based on a study of over 143,000 students, from 110 schools, investigators2 estimate the correlation between SAT scores and first year college grade point ratios by r = .35. If you predict first year college grades from the SAT score, what percentage of the variation in grades would be explained by the least squares straight line based on the SAT Score?

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