9
lesson pretestMultiple Choice

Pretest

Question 9 • Mathematics for Data and Financial Literacy

Rafael wants to understand how the stock market affects retirement savings. He decides to review the yearly gains of a specific index fund from 2000 to 2023. What is the best way to organize this data?

Answer
A
making a pie chart showing the gains for each year
B
making a line graph showing the yearly gains of the index fund over 23 years
C
asking financial experts what they think about the index fund
D
comparing the gains of the index fund with the gains of real estate investments

Explanation

A line graph is the best way to display yearly gains across time. Plotting the fund’s gains for each year from 2000 to 2023 makes it easy to see changes and trends. A pie chart is better for showing parts of a whole, while the other choices compare different investments or gather opinions rather than organize the yearly data.

AI-written and checked against the verified answer.

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