The Number of Household Members, X and the Amount Spent

question 24

Essay

The number of household members, x and the amount spent on groceries per week, y (rounded to the nearest dollar) are measured for eight households in the Big Rapids area. The data are shown below: Create a raw scatterplot of these eight data points (no regression line or equation).
Find the best-fitting regression line for these data.
y = ______________
Plot the points and the best-fitting line on the same graph.
What would you estimate a household of seven to spend on groceries per week?
______________
Should you use the fitted line to estimate this amount?
______________
Why or why not?
________________________________________________________