A 2011 Roper Center survey asked: “If you were making up the budget for the federal government this year (2011), would you increase spending, decrease spending, or keep spending the same for financial aid for college students?” Of those surveyed, 44% said to increase spending, 16% said to decrease spending, 37% said to keep spending the same, and 3% either had no opinion or refused to answer.
a. Sketch a bar chart to display the survey results.
b. Which is easier to sketch relatively accurately, a pie chart or a bar chart?
c. What is the advantage of using a graph to summarize the results instead of merely stating the percentages for each response?