Answer Happy

m6-03.3. Regression on Mother-Daughter Heights A study was conducted to determine whether daughter's height is dependent on mother's height. The following summary statistics are obtained from a sample of n = 342 pairs of mother and daughter. Average SD Mother's Height (in inches) 58 3.6 Daughter's Height (in inches) 70 2.3 The correlation between the mother's height and daughter's height is r=0.52. Using linear regression, predict the height (in inches) of a daughter whose mother is 53-inch tall. Make sure your answer contains at least three digits after the decimal point Daugther's Height: number (rtol=0.01, atol=1e-08)

m6-03.4. Regression on Course Exam Grades These questions pertain to a scatter plot which shows the midterm and final exam scores of n=107 students. Average SD Midterm 70 10 Final 79 13 The correlation between the midterm and final exams is 0.4. Find the y-intercept of the regression line. Make sure your answer contains at least three decimal points. y-intercept: number (rtol=0.01, atol=1e-08) ©