1. On the weekend of April 2–4, 2010 the 15 top–grossing PG or PG–13 rated movie
ID: 3270857 • Letter: 1
Question
1. On the weekend of April 2–4, 2010 the 15 top–grossing PG or PG–13 rated movies and the 15 top–grossing R rated movies were determined. The running times (in minutes) for these movies are: PG/PG-13 movies: 110, 121, 90, 108, 108, 106, 91, 128, 162, 90, 113, 120, 120, 102, 129 R movies: 100, 105, 136, 115, 107, 111, 96, 111, 110, 101, 118, 125, 105, 149, 112
a. There are 30 units in this example. What is a unit for this example?
b. What is the explanatory (grouping) variable in this example? What are its possible values?
c. What is the response variable in this example? What are its possible values? Is this variable nominal qualitative, ordinal qualitative, discrete quantitative, or continuous quantitative?
Explanation / Answer
The explanatory variable is the group of the movie, and its possible values are PG/PG-13 rated and R-rated.
The response variable is the running time, and its possible range is 100-162 ( as per the data given)
It is a discrete quantitative variable, since movie times can be arranged.
Hope this helps !
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