For each additional household member, the least squares regression line predicts that the household would have 0.643 more cars.
ead the following description of a data set.
A bumper sticker company is developing a new line of stickers promoting local sports teams. To estimate demand, the company's marketing department conducted a phone survey of local households.
In each call, residents were asked to provide the number of members in their household, x, as well as the number of cars, y.
The least squares regression line of this data set is:
y=0.643x–1.171
Complete the following sentence:
For each additional household member, the least squares regression line predicts that the household would have
more cars.
1 answer