price Coefficient Std. err. t P>| t [95% conf. interval] new 54.98653 5. 344129 10.29 0.000 44. 45181 65.52126 scratch -20. 44182 5. 114388 -4.00 0.000 -30.52367 -10.35998 bidrs . 7250295 . 5882687 1.23 0. 219 - . 4346073 1. 884666 cons 109.2351 4.478864 24.39 0.000 100. 4061 118.0642 iv) Carefully explain the real-world meaning of the three estimated slope coefficients. v) What signs would you have expected for each of the estimated slope coefficients? Carefully explain your reasoning in each case