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.