1. Roughly every 10 years, the American Film Institute selects the top 100 movie
ID: 3354952 • Letter: 1
Question
1.Roughly every 10 years, the American Film Institute selects the top 100 movies of all time. From the last such survey, suppose the top 100 movies are the cases in a study to compare these movies. For each of the following, indicate first whether it can legitimately be considered a variable or not. If it is a variable, classify it as categorical (and if it is binary) or quantitative. If it is not a variable, explain why not. In order to decide whether the variable is legitimate, think about what the cases are and review the definition of a variable outlined in class.
Length of the film
Whether or not the film occurred after the year 2000.
The number of films which were longer than 150 minutes.
The type of film (Drama, Comedy, Science Fiction, Action, Documentary, other).
The rank of the film in the top 100 list
Explanation / Answer
Length of the film
It can be legitimately considered a variable because it can be recorded about each film and can vary from film to film. The observational unit is film. The length of the film is numerical variable so, it is quantitative variable.
Whether or not the film occurred after the year 2000.
It can be legitimately considered a variable because it can be recorded about each film and can vary from film to film. The observational unit is film. The variable is binary variable with only two possible categories - Yes or No.
The number of films which were longer than 150 minutes.
It can be legitimately considered a variable where the observational unit is top 100 movies in each survey. The variable is numerical variable so, it is quantitative variable.
The type of film (Drama, Comedy, Science Fiction, Action, Documentary, other).
It can be legitimately considered a variable because it can be recorded about each film and can vary from film to film. The observational unit is film. The variable is categorical variable with possible categories - Drama, Comedy, Science Fiction, Action, Documentary, other.
The rank of the film in the top 100 list
It can be legitimately considered a variable because it can be recorded about each film and can vary from film to film. The observational unit is film. The variable is numerical variable, so it is quantitative variable.
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