Question 1
Which of the graphical techniques below can be used to summarize qualitative data?
◦ box plot
◦ dot plot
◦ stem-and-leaf plot
◦ bar graph
Question 2
Parking at a university has become a problem. University administrators are interested in determining the average time it takes a student to find a parking spot. An administrator inconspicuously followed 300 students and recorded how long it took each of them to find a parking spot. Which of the following types of graphs should not be used to display information concerning the students parking times?
◦ box plot
◦ pie chart
◦ histogram
◦ stem-and-leaf display