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Chapter 1: Q R1.1. (page 75)

Hit movies According to the Internet Movie Database, Avatar is tops based on box office sales worldwide. The following table displays data on several popular movies.

(a) What individuals does this data set describe?

(b) Clearly identify each of the variables. Which are quantitative? In what units do you think they are measured?

(c) Describe the individual in the highlighted row.

  • Make a bar graph of the distribution of a categorical variable

or, in general, compare related quantities.

  • Recognize when a pie chart can and cannot be used.

Short Answer

Expert verified

Part (a) INDIVIDUALS = Movies (The Dark Knight, Avatar, Pirates of the Caribbean, Titanic, Lord of the Rings)

Part (b) QUANTITATIVE VARIABLES = Box office, time (in minutes).

Part (c) The person in the highlighted segment is the Avatar movie.

Step by step solution

01

Part (a) Step 1: Given information

Individuals are the items that a piece of data describes. Individuals can be humans, animals, or inanimate objects. Individuals are Movies in this database, which is about Movies.

MoviesYearRatingTimeGenreBox office
Avatar2009PG-13
162Action2714767458
Titanic1997PG-13
194Drama1835300000
The lord of the rings: The return of the king2003PG-13
201Action1129219252
Dead Man's chest2006PG-13
151Action1060332628
The dark knight2008PG-13
152Action1001921825
02

Part (a) Step 2: Concept

Data Analysis, Statistics, and Probability introduce statistics as a problem-solving process.

03

Part (a) Step 3: Explanation

Individuals are the objects that the data collection represents.

INDIVIDUALS = Movies (The Dark Knight, Avatar, Pirates of the Caribbean, Titanic, Lord of the Rings)

04

Part (b) Step 1: Explanation

The things being tested are the variables.

VARIABLES = title, genre, box office, year, time, and rating of the film

Categorical variables classify entities, whereas a numerical variable is a quantitative variable.

CATEGORICAL VARIABLES = Order, Genre, Film, Year, etc.

BOX OFFICE, TIME = QUANTITATIVE VARIABLES (in minutes).

05

Part (c) Step 1: Explanation

Bar chart for different categorical data.

The character in the highlighted portion is from the film Avatar.

The film was released in 2009.

The film has a PG-13 rating.

The movie is 162 minutes long.

The film is an action thriller.

The film grossed $2,714,767,458 at the box office.

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