Question: Music and memory. Is it a good idea to listen to music when studying for a big test? In a study conducted by some Statistics students, 62 people were randomly assigned to listen to rap music, Mozart, or no music while attempting to memorize objects pictured on a page. They were then asked to list all the objects they could remember. Here are the 5-number summaries for each group:
n Min Q1 Median Q3 Max
Rap 29 5 8 10 12 25
Mozart 20 4 7 10 12 27
None 13 8 9.5 13 17 24
a) Describe the W s for these data: Who, What, Where, Why, When, How.
b) Name the variables and classify each as categorical or quantitative.
c) Create parallel boxplots as best you can from these summary statistics to display these results.
d) Write a few sentences comparing the performances of the three groups.