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webassign.net/web/Student/Assignment- 21200#05 two decimal places. Round your answers for a and b to three decimal places. X = 47 Y = 17 9 = 41.507 - 0.521 X (d) Graph the least-squares line. Be sure to plot the point (x, y) as a point on the line SUF 50 40 40 30 20 109 10 40 60 180 20 40 60 50 40 10 20 40 60 801 20 40 60 O-105 (e) Find the value of the coefficient of determination ro. What percentage of the variation in y can be explained by the corresponding variation in x and the least-squares line? What percentage is unexplained? (Round your answer for 2 to three decimal places. Round your answers for the percentages to one decimal place.) 12 = explained unexplained % (f) Predict the percentage of all fatal accidents due to speeding for 45-year-olds. (Round your answer to two decimal places.) % Submit Answer 9. [2/2 Points] DETAILS PREVIOUS ANSWERS BBUNDERSTAT12 9. 1.009