Use the Data Given Below to Answer the Following Question(s)

Use the data given below to answer the following question(s).
Following is an extract from a firm's database detailing the number of hours spent on the job by employees and their corresponding pay.(Note: Assume a level of significance of 0.05 wherever necessary.)
$$\begin{array} { | r | r | } \hline \begin{array} { l } \text { Hours spent } \\\text { on the job }\end{array} & \text { Salary (\$) } \\\hline 4 & 340 \\\hline 12 & 850 \\\hline 7 & 570 \\\hline 5 & 470 \\\hline 11 & 820 \\\hline 8 & 610 \\\hline 9 & 630 \\\hline 13 & 900 \\\hline 10 & 800 \\\hline 6 & 480 \\\hline\end{array}$$
-List the systematic approach to building good multiple regression models.