Household
the Following Data Was Collected by a Particular Company

Household
The following data was collected by a particular company to determine if a relationship exists between the number of people in a household and weekly food expenditures.
$$\begin{array} { | c | c | c } \hline \text { Househald } & \text { Number in Hausehald } & \text { Weakly Fadd Expenses } \\\hline 1 & 2 & \$ 95 \\\hline 2 & 3 & \$ 137 \\\hline 3 & 5 & \$ 165 \\\hline 4 & 2 & \$ 105 \\\hline 5 & 4 & \$ 227 \\\hline 6 & 4 & \$ 240 \\\hline 7 & 5 & \$ 185 \\\hline\end{array}$$
-Construct a 95% prediction interval for the mean weekly food expense when the number in household equals 3.