new tire wear tests refer to example 32 (p 120) recall that a manufacturer of a new tire tested the tire for wear at different pressures with the results shown in the table (a) fit the straightline model y 0 1x to the data (b) calculate the residuals for the model (c) plot the residuals versus x do you detect any trends if so, what does the pattern suggest about the model (d) fit the quadratic model y 0 1x 2x2 to the data using an available statistical software package has the addition of the qu