Find the best-predicted tip amount for a dinner bill

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1. Sports Using the diameter>circumference data, find the best-predicted circumference of a marble with a diameter of 1.50 cm. How does the result compare to the actual circumference of 4.7 cm? Baseball Basketball Golf Soccer Tennis Ping-Pong Volleyball Softball Diameter 7.4 23.9 4.3 21.8 7.0 4.0 20.9 9.7 Circumference 23.2 75.1 13.5 68.5 22.0 12.6 65.7 30.5 Volume 212.2 7148.1 41.6 5424.6 179.6 33.5 4780.1 477.9

2. Tips Using the bill>tip data, find the best-predicted tip amount for a dinner bill of $100. What tipping rule does the regression equation suggest? Bill (dollars) 33.46 50.68 87.92 98.84 63.60 107.34 Tip (dollars) 5.50 5.00 8.08 17.00 12.00 16.00

3. Weighing Seals with a Camera Using the listed width>weight data, find the best-predicted weight of a seal if the overhead width measured from a photograph is 2 cm. Can the prediction be correct? If not, what is wrong? Overhead Width 7.2 7.4 9.8 9.4 8.8 8.4 Weight 116 154 245 202 200 191

Reference no: EM132848274

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