Question: Q.1. (20 Points) The upper right/left corners of a rectangular car in a cross-center section are rounded circularly with a radius of curvature. What

Q.1. (20 Points) The upper right/left corners of a rectangular car in

Q.1. (20 Points) The upper right/left corners of a rectangular car in a cross-center section are rounded circularly with a radius of curvature. What should be the radius of rounding at the top corners so that the drag coefficient of the car does not exceed Co 0,40. Given Values: Width, 8=2,5 m. Helght, H 3,5 m. Drag force, D-177,500 kg Speed, V-100 km/h. Weight density of air, y 1,297 kg./m. H B

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=+c. How effectively do you think the least-squares line summarizes the relationship between x and y? Explain your reasoning.

=+b. Interpret the value of se .