Question: Auto Accidents: Age Data for this problem are based on information taken from The Wall Street Journal. Let x be the age in years of

Auto Accidents: Age Data for this problem are based on information taken from The Wall Street Journal. Let x be the age in years of a licensed automobile driver. Let y be the percentage of all fatal accidents (for a given age) due to speeding. For example, the fi rst data pair indicates that 36% of all fatal accidents involving 17-year-olds are due to speeding.

x 17 27 37 47 57 67 77 y 36 25 20 12 10 7 5 Complete parts

(a) through (e), given x 5 329, y 5 115, x2 5 18,263, y2 5 2639, xy 5 4015, and r < 0.959.

(f) Predict the percentage of all fatal accidents due to speeding for 25-year-olds.

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