Each year, The Princeton Review conducts surveys of high school students who are applying to college and of parents of college applicants. The report ?2016 College Hopes & Worries Survey Findings? (princetonreview.com/cms-content/final _cohowo2016survrpt.pdf, retrieved April 15, 2017) included a summary of how 8347 high school students responded to the question ?Ideally how far from home would you like the college you attend to be?? Students responded by choosing one of four possible distance categories. Also included was a summary of how 2087 parents of students applying to college responded to the question ?How far from home would you like the college your child attends to be?? The accompanying relative frequency table summarizes the student and parent responses.?

a. Explain why relative frequencies should be used when constructing a comparative bar chart to compare ideal distance for students and parents.?

b. Construct a comparative bar chart for these data.?

c. Write a few sentences commenting on similarities and differences in the distributions of ideal distance for parents and students.