Data about existing home sales in area 232 of Palo Alto, California, in 2007 are shown in Table 20 on page 379. Let x be the number of bedrooms in a home, and let y be the number of baths in the home.
a. Construct a scatterplot that describes the association between number of bedrooms and number of baths.
b. Is the association positive, negative, or neither? What does that mean in this situation?
c. The house on Wisteria Ln has 2.5 bathrooms. What does it mean to have half a bathroom?
d. Find the mean number of baths for homes that have 2 bedrooms. Do the same for 3 bedrooms, 4 bedrooms, and 5 bedrooms.
e. Use your results in part (d) to help you construct a scatterplot that describes the association between the number of bedrooms and the mean number of baths. Compare the scatterplot to the one you constructed in part (a).