The table shows the weight of a dog in pounds at various ages in months. Age vs. Weight of a Dog Age in months Weight in pounds 3 2 4 5 6 7 8 10 9 11 12 15 What values should be entered for x and y into a regression calculator to find the equation of the trend line? x: 3, 4, 6, 8, 9, 12 y: 2, 5, 7, 10, 11, 15 x: 3, 4, 6, 8, 9, 15 y: 2, 5, 7, 10, 11, 12 x: 2, 5, 7, 10, 11, 15 y: 3, 4, 6, 8, 9, 12 x: 2, 5, 7, 10, 11, 12 y: 3, 4, 6, 8, 9, 15