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Chapter 2, Section 4, Exercise 132 SHOW HINT SHOW HINT SHOW HINT Chapter 2, Sect

ID: 3180570 • Letter: C

Question

Chapter 2, Section 4, Exercise 132

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Chapter 2, Section 4, Exercise 132

INVESTIGATING HOLLYWOOD MOVIES

In the following exercise, we use data from HollywoodMovies2011. The dataset includes information on all movies to come out of Hollywood in 2011.

Do Movie Budgets Differ Based on the Genre of the Movie?

The dataset HollywoodMovies2011 includes a quantitative variable on the Budget of the movie, in millions of dollars, as well as a categorical variable classifying each movie by its Genre. Figure 1 shows side-by-side boxplots investigating a relationship between these two variables. (We use four of the possible categories in Genre for this question.)

(a) Which genre appears to have the largest budgets?

Action Animation Comedy Drama Horror Romance Thriller

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(b) Which genre appears to have the smallest budgets? Check all that apply.

Action Animation Comedy Drama Horror Romance Thriller

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(c) Which genre has the biggest spread in its budgets?

ActionAnimationComedyDramaHorrorRomanceThriller



Which has the smallest spread?

ActionAnimationComedyDramaHorrorRomanceThriller



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(d) Does there appear to be an association between genre of a movie and size of the budget?

Yes No

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N Mean StDev Minimum Q1 Median O3 Maximum Variable Genre Audience Score Action 32 58.63 18.39 32.00 44.50 51.00 78.00 93.00 43.00 50.50 64.00 78.25 Animation 12 64.08 13.89 82.00 Comedy 27 59.11 15.68 31.00 48.00 58.00 71.00 93.00 46.00 59.00 72.00 84.50 91.00 Drama 21 72.10 14.55 78.00 Horror 17 48.65 15.88 25.000 34.00 52.00 60.50 84.00 Romance 10 64.80 12.90 50.000 52.25 65.50 78.00 81.00 Thriller 13 64.31 14.87 24.00 57.00 67.00 74.50

Explanation / Answer

(a)

Genre with largest budget:

Action;

HINT: From Box-plot given: Action has the larget budget: upto 150

(b)

Genre with smallest budget: Horror

HINT: Horror has the smallest budget - upto aound 10

(c)

Genre with biggest spread : Action.

HINT: Horror has the maximum Range = 150 - 50 = 100

(d)

Genre with smallest spread: Drama

HINT: Drama has the least Range = 40 -20 = 20

(e)

Correct option:
Yes

HINT: We note that Action: has maximum budget, the next is Comedy, nect is Drama and last is Horror. Thus, there appears to be association between genre of a movie and size of the budget.

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