Question: Exercise 1 Use the Movie Database Sample to conduct a hypothesis test to determine whether the mean running time of movies rated G, PG, PG-13,

Exercise 1 Use the Movie Database Sample to conduct a hypothesis test to determine whether the mean running time of movies rated "G", "PG", "PG-13", and "R" are all equal. Specify the conditions that must be satisfied in order to apply this hypothesis testing procedure.

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