1
Nissan Z cars: does the age affect the price? _____
The following are data on age and price for a sample of Nissan Z’s. The data were
obtained from the Asian Import edition of the Auto Trader magazine. Ages are in years;
prices are in hundreds of dollars, rounded to the nearest hundred dollars.
Car Age Price($100s)
1 5 85
2 4 103
3 6 70
4 5 82
5 5 89
6 5 98
7 6 66
8 6 95
9 2 169
10 7 70
11 7 48
a. Make a scatterplot of these data and describe it below.
b. Find the least squares regression line.
