Maintenance Costs
Data Was Collected to Investigate the Relationship Between

Essay

Maintenance Costs
Data was collected to investigate the relationship between the age and annual maintenance costs for a one particular car.The table below shows the costs over the life of a seven-year old car.
$$\begin{array} { | c | c } \hline \text { Year } & \text { Annual Maintenance Casts } \\\hline 1 & \$ 150 \\\hline 2 & \$ 210 \\\hline 3 & \$ 450 \\\hline 4 & \$ 490 \\\hline 5 & \$ 510 \\\hline 6 & \$ 1590 \\\hline 7 & \$ 160 \\\hline\end{array}$$
-In testing the hypotheses $H _ { 0 } : \beta _ { 1 } = 0$ vs. $\mathrm { H } _ { 1 } : \beta _ { 1 } \neq 0$ ,what is the rejection region at the 0.02 significance level?
What is the conclusion?