Consider the following sample data:

x 22 35 14 10

y 26 55 30 12

a. Construct and interpret thescatterplot.

(Click to select)

The scatterplot shows that x and y appear to have a positive linear relationship.

The scatterplot shows that x and y appear to have a negative linear relationship

The scatterplot shows that x and y appear to have no linear relationship

b. Calculateb₀andb₁. What is the sample regression equation?(Negative values should be indicated by a minus sign. Round answers to 2 decimal places.)

= _____+ ______x

c. Find the predicted value foryifxequals 10, 15, and 20.(Negative values should be indicated by a minus sign. Round answers to 2 decimal places.)

x

10 _______

15 _______

20 _______