The following tables give the profits (in millions) of a manufacturing company $t$ months after January 1, 2008.
$$\begin{array}{ccccccccccc}
t \text { (months) } & 0 & 2 & 3 & 4 & 5 & 6 & 8 & 9 & 10 & 11 \
r \text { (millions) } & 5.2 & 6.1 & 4.2 & 5.1 & 5.9 & 6.5 & 6.1 & 7.3 & 6.2 & 5.6
\end{array}$$
Use a calculator program to find the linear regression line for this data. What is the physical interpretation of the $t$-intercept?

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The Answer of The following tables give the profits (in millions) of a manufacturing company $t$ months after January 1, 2008.
$$\begin{array}{ccccccccccc}
t \text { (months) } & 0 & 2 & 3 & 4 & 5 & 6 & 8 & 9 & 10 & 11 \
r \text { (millions) } & 5.2 & 6.1 & 4.2 & 5.1 & 5.9 & 6.5 & 6.1 & 7.3 & 6.2 & 5.6
\end{array}$$
Use a calculator program to find the linear regression line for this data. What is the physical interpretation of the $t$-intercept?

The Following Tables Give the Profits (In Millions) of a Manufacturing