The table gives the number of songs downloaded from MyTunes

The table gives the number of songs downloaded from MyTunes at different prices per song.
a. Find the equation of the linear regression line. Round the slope and y-intercept to the nearest hundredth.
b. What is the slope of the linear regression line?
c. What are the units of the slope when it is expressed as a rate?
d. Based on the linear regression line, how many thousands of downloads would MyTunes expect if the price was changed to $0.45? Round to the nearest integer.
e. Is your answer to part d an example of interpolation or extrapolation?
f. Find the correlation coefficient to the nearest hundredth.
g. Describe the correlation.
Price per song Number of Downloads
(in thousands)
$0.89 ...................................................... 1,212
$0.79 ...................................................... 1,704
$0.69 ...................................................... 1,760
$0.59 ...................................................... 1,877
$0.49 ...................................................... 1,944
$0.39 ...................................................... 2,011