1. How does the cost of shipping a standard-sized crate relate to the distance of the destination? Can the cost of shipping be determined using the distance of the destination? To answer these questions, a Philippine Airlines statistician used 12 freight invoices randomly drawn and summarized below. Distance (hundred of kilometers) 14 Charge (in pesos) 1400 2000 800 1600 1620 23 9 17 10 22 5 12 6 16 25 8 1900 620 1440 900 1800 2100 750 (c) Plot the regression line on the scatter diagram.

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