9. Grocery Costs The amount spent on groceries per week (y) and the number of household members

(x) from Example 3.3 are shown below

a. Find the least-squares line relating the amount spent per week on groceries to the number of household members.

b. Plot the amount spent on groceries as a function of the number of household members on a scatterplot and graph the least-squares line on the same paper.
Does it seem to provide a good fit?

c. Construct the ANOVA table for the linear regression.

Transcribed Image Text:

x 2 3 34 15 y $384 $421 $465 $546 $207 $621