Question: chi squre test 600 people( 250 less than or equal to 20 years old, and 350 greater than 20 years old) were asked, which take-out

chi squre test 600 people( 250 less than or equal to 20 years old, and 350 greater than 20 years old) were asked, "which take-out food do you prefer-fried chicken, burger or chinese?

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