A Researcher Is Evaluating Customer Satisfaction With The Service And Coverage Of

A researcher is evaluating customer satisfaction with the service and coverage of three phone carriers. Each individual in a sample of n = 25 uses one carrier for 2 weeks, then switches to another for 2 weeks, and finally switches to the third for 2 weeks. Each participant then rates the three carriers.
a. Assume that each carrier was rated on a 10-point scale.
b. Assume that each participant ranked the three carriers 1st, 2nd and 3rd.
c. Assume the each participant simply identified the most preferred carrier of the three.

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