Movie theater ticket prices have been increasing to accommodate the demand for movies formatted in 3D. The following data show the prices for adult tickets for three different movie formats in three different cities. These data can also be found in the file ticket prices. xlsx.

a. Using α = 0.05, is there significant interaction ­between the city and the movie format?

b. Using a two way ANOVA and α = 0.05, does the city have an effect on the cost of a movie?

c. Using a two way ANOVA and α = 0.05, does the movie format have an effect on the cost of a movie?

d. If warranted, determine which means are significantly different using α = 0.05.

e. Construct an interaction plot for the city and the movie format.

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Format 2D (S) 3D ) IMAX 3D (S) New York 18 19 15 15 20 16 19 20 15 15 16 Atlanta 10 12 14 16 15 Dallas 10 12