Question: A book store collects sales data that includes the age of the customer and the genre of book they bought. Data for a random sample

A book store collects sales data that includes the age of the customer and the genre of book they bought. Data for a random sample of 500 sales is given below: Sci-Fi/Fantasy Fiction Young Adult Fiction Nonfiction/Biography Children (<17) 50 50 30 10 Adult (18-54) 70 80 20 20 Senior (55+) 60 65 20 25 The book store would like to test the hypothesis that genre preference is independent of age.

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