Write the Word or Phrase That Best Completes Each Statement

Essay

Write the word or phrase that best completes each statement or answers the question.
-The following data represents the amount of money Tom is saving each month since he graduated from college. $$\begin{array} { l | l l l l l l l } \text { month } & 1 & 2 & 3 & 4 & 5 & 6 & 7 \\\hline \text { savings } & \$ 52 & \$ 70 & \$ 81 & \$ 91 & \$ 102 & \$ 118 & \$ 132\end{array}$$ Find the slope of the line of best fit for the data set and interpret it.