The following data represent the square footage and rent for apartments in the borough of Queens and Nassau County, New York.

(a) On the same graph, draw a scatter diagram for both Queens and Nassau County apartments treating square footage as the explanatory variable. Be sure to use a different plotting symbol for each group.
(b) Compute the linear correlation coefficient between square footage and rent for each location.
(c) Does a linear relation exist between the two variables for each location?
(d) Does location appear to be a factor in rent?

Queens (New York City) Nassau Countv (Long Island) Square Footage,x 500 588 Rent per Square Month, y | Footage,x Rent per 650 1215 2000 1655 1250 1805 2700 1200 1250 2350 3300 3100 1100 588 1250 556 825 743 660 975 1429 800 1906 1077 Month, y 1875 1075 1775 1050 1300 1475 1315 1400 1900 1650 4625 1395 1000 688 825 460 1259 650 560 1073 1452 1305