Which of the following types of information is not suited for display on a double bar graph (back your self up with proof on your answer)
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 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 the school cafeteria
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The answer is Option C- The weekly interest rate for mortgages at a bank for the past year. This is because, all the other three options show you comparison between two things in a specific time period i.e, girls and boys, hot and cold, and records and compact discs while in the third option, it isn't a comparison between the progress of two things, rather a record of the interest rate per week. Drawing the bar graphs for the four given options will serve as a proof.
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