Which of the following types of information is not suited for display on a double bar graph?

Question

A. Populations of boys and girls at three different schools.
B. Number of records versus compact discs sold each week during a one month. At the music den
C. The weekly interest rate for mortgages at a bank for the past year.
D. Numbers of hot and cold lunches sold each day in a school cafeteria during the first week of school.

Answer 1

C. The weekly interest rate for mortgages at a bank for the past year.