Mathematics, 18.04.2021 23:00, bryceisawesome110
Show all your work. Indicate clearly the methods you use, because you will be scored on the correctness of your methods as well as on the accuracy and completeness of your results and explanations.
A marketing director for a beverage company conducted a study to investigate peopleβs soda preferences in two regions of the country. The director selected a random sample of 100 people from the east coast and a random sample of 100 people from the west coast to survey. The responses are summarized in the following table.
βββββββ-East Coast. West Coast
Regular soda. ββ44. ββββ37
Diet soda. ββββ39. ββββ42
No preference. ββ17. ββββ-21
Total. ββββββ-100.ββββ 100
Do the data provide convincing statistical evidence, at the level of Ξ±=0.05, that the preferences are different between the two regions of the country? Complete the appropriate inference procedure to support your answer.
Answers: 2
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