A. populations of boys and girls at three different schools
B. number of records versus compact discs sold each week during a one month period at 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 the school cafeteria during the first week of school
the weekly interest rate for mortgages at a bank for the past year
Answer: Option C.
<u>Explanation:</u>
Double bar graph is a bar graph that has two bars in it. On one bar, there is one set of data and on the other bar is the other set of the data on the graph.
In the options given above, the interest rate that has been charged on a weekly basis for the mortgages by a bank is an information that only provides one set of data and does not provide two sets of data.
