11. Favorite Fast Foods Is a customer’s preference for a fast-food chain affected by the age of the customer? If so, advertising might need to target a particular age group. Suppose a random sample of 500 fast-food customers aged 16 and older was selected, and their favorite fast-food restaurants along with their age groups were recorded, as shown in the table:

Use an appropriate method to determine whether or not a customer’s fast-food preference is dependent on age.
Write a short paragraph presenting your statistical conclusions and their practical implications for marketing experts.

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Age Group 16-21 21-30 30-49 50+ McDonald's Burger King Wendy's Other 1832 75 34 10 89 42 19 54 52 28 21 25 7 6080 10 18 10