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What is the preferred beverage ordered at lunch independent of age bracket in a hospital cafeteria?...

What is the preferred beverage ordered at lunch independent of age bracket in a hospital cafeteria? Test the null that is independent at α = 0.05.

Coffee/Tea Soft Drink Other
21-34 26 95 18
35-55 41 40 20
>55 24 13 32
Math   Statistics-And-Probability   
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