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题目材料：
Bank $$X$$ calculates a customer satisfaction index for the Web site after the redesign. Responses of "very satisfied" are each assigned a value of 3, responses of "somewhat satisfied" are each assigned a value of 2, responses of "somewhat dissatisfied" are each assigned a value of 1, and responses of “very dissatisfied" are each assigned a value of 0. The customer satisfaction index is the average (arithmetic mean) of the values. Which of the following is closest to the customer satisfaction index for the Web site after the redesign?
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A.2.0
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B.2.2
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C.2.4
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D.2.6
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E.2.8
D显示答案
