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3. (20 pts) Sir Francis Galton, a cousin of James Darwin, examined the relationship between the height of children and their parents towards the end

3. (20 pts) Sir Francis Galton, a cousin of James Darwin, examined the relationship between the height of children and their parents towards the end of the 19th century. It is from this study that the name "regression" originated. You decide to update his findings by collecting data from 110 college students, and estimate the following relationship: Studenth= 19.6 + 0.73 x Midparh, R2 = 0.45, SER = 2.0 where Studenth is the height of students in inches, and Midparh is the average of the parental heights. a. (4 pts) Interpret the estimated coefficients. b. (4 pts) What is the meaning of the regression R2

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