Daily Sales Volume from the Avalon Convenience Store Is Shown

question 75

Short Answer

Daily sales volume from the Avalon Convenience Store is shown in the table below.
$$\begin{array} { | c | c | } \hline \text { Day } & \text { Sales } ( \mathrm { \$ } ) \\\hline 1 & 512 \\\hline 2 & 328 \\\hline 3 & 538 \\\hline 4 & 662 \\\hline 5 & 498 \\\hline 6 & 546 \\\hline 7 & 579 \\\hline 8 & 595 \\\hline 9 & 616 \\\hline 10 & 655 \\\hline\end{array}$$ What is the linear trend estimate for Day 4?