2. The heights [in inches) and weights {in pounds) of six male Labrador Retrievers were measured. The height of a dog is measured at the shoulder. A linear regression analysis was done. and the residual plot and computer output are given below. 4- 3- 2 E? \"1\" E _ $1? 25 25 n: .1... 4Hetghi RS [a] Is a line an appropriate model to use for these data? What information tells you this? [b] Write the equation of the least squares regression line. Identify any variables used in this equation. [c] Dakota, a male Labrador, was one of the dogs measured for this study. His height is 23.5 inches. Find Dakota's predicted weight and, Dakota's actual weight