David's Landscaping has collected data on home values $($in thousands of $$)$ and expenditures $($in thousands of $$)$ on landscaping with the hope of developing a predictive model to help marketing to potential new clients. Data for households may be found in the file Landscape. Click on the datafile logo to reference the data.

If required, enter negative values as negative numbers.

a$.$ Select a scatter diagram with home value as the independent variable.

A$.$

B$.$

C$.$

Graph B

b$.$ What does the scatter plot developed in part $($a$)$ indicate about the relationship between the two variables?

The scatter diagram indicates a

positive

linear relationship between the two variables.

c$.$ Use the least squares method to develop the estimated regression equation $($to decimals$).$

$6\mathrm{.}31658$

$+$

$0\mathrm{.}02148$

d$.$ For every additional in home value, estimate how much additional will be spent on landscaping $($to decimals$).$

$

$21\mathrm{.}42$

e$.$ Use the equation estimated in part $($c$)$ to predict the landscaping expenditures for a home valued at $($to the nearest whole number$).$

$

$18,623$