Question: Refer to Exercise 7.24. How would your inference procedures change if preparation A was an old product that had been on the market a number

Refer to Exercise 7.24.

How would your inference procedures change if preparation A was an old product that had been on the market a number of years and preparation B was a new product, and we wanted to determine whether people would continue to use B a longer time in comparison to preparation A?

Preparation A 42 47 12 17 26 27 28 26 34 19 20 27 34 PreparationB 35 38 35 36 37 35 29 37 31 31 30 33 44

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