Car Reliability a Consumer Group Assigned 62 Car Models Reliability

Essay

Car reliability A consumer group assigned 62 car models reliability ratings of 1 - 5 based upon repair records. They wondered if more expensive cars might be more reliable. To find out, they created the regression analysis shown. (SHOW WORK. Don't bother writing hypotheses, and you may assume the assumptions for inference were all satisfied.)

$\begin{array}{|lcc|}\hline\text { Dependent variable is: } & \text {Reliability }\\\text { Variable }&\text { Coefficient} &\text {s.e. of coeff} \\\text {Constant} & 2.7029 & 0.3508 \\\text {Price }& 0.5099 & 0.4116 \\\hline\end{array}$

a. df = ______, t = ______, P =______
b. State your conclusion.