Netflix, Inc., of San Jose, California, providesDVDrentals of more than 50,000 t
ID: 3127228 • Letter: N
Question
Netflix, Inc., of San Jose, California, providesDVDrentals of more than 50,000 titles by mail.
Customers go online to create an order list of DVDs they would like to view. Before ordering
a particular DVD, the customer may view a description of the DVD and, if desired, a summary
of critics’ratings. Netflix uses a five-star rating system with the following descriptions:
1 star Hated it
2 star Didn’t like it
3 star Liked it
4 star Really liked it
5 star Loved it
Eighteen critics, including Roger Ebert of the Chicago Sun Times and Ty Burr of the Boston
Globe, provided ratings for the movie Batman Begins (Netflix.com, March 1, 2006). The
ratings for Batman Begins were as follows:
4, 2, 5, 2, 4, 3, 3, 4, 4, 3, 4, 4, 4, 2, 4, 4, 5, 4
a. Comment on why these data are qualitative.
b. Provide a frequency distribution and relative frequency distribution for the data.
c. Provide a bar graph.
d. Comment on the critics’ evaluation of Batman Begins.
how to solve this question
Explanation / Answer
a.) The data represents the reviews of the Batman movie which is qualitative in nature.
b.)
55.56% of the critcs really like the Batman movie.
Data frequency relative frequency 2 3 3/18 3 3 3/18 4 10 10/18 5 2 2/18