Question: 2. Johnson Controls wanted to see if the average age of its male customers was any different from the average age of its female customers.

2. Johnson Controls wanted to see if the average

2. Johnson Controls wanted to see if the average age of its male customers was any different from the average age of its female customers. A sample of 10 male and 10 female customers was taken. The average age of male customers was 50 years and the average age of female customers was 48 years. (Standard error = 2 years). (Assume a = .01)

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