variables measured. Try to remember the appropriate display for the
between the two variables. (A) is the correct answer.
Question 3 of 5 Points: 10 out of 10
A survey was conducted to study the relationship between the zip code of the family home and
whether they buy or rent the home. Data were collected from a random sample of 280 families
from a certain metropolitan area.
A meaningful graphical display of these data would be:
a pie chart
a two-way table
Good job! A two-way table (also called a contingency table) is the appropriate display for the
variables (that is, for the relationship between a categorical
explanatory variable, in this case "zip code," and a categorical response variable, in this case
"buy or rent their home").
Question 4 of 5 Points: 10 out of 10
Students were asked about their hourly wage and the number of hours they work each week. The
data are displayed in the scatterplot below: