A matched pairs t-test is NOT an appropriate way to analyze data consisting of which of the following? The proper tests cannot be determined until we see the actual data that are collected. O Measurements of annual income for each twin for 100 randomly selected pairs of twins O Measurements of annual income for both individuals in pairs by matching 100 people from State A and 100 people from State B based on level education. Measurements of annual income recorded for both spouses of 100 randomly selected married couples O Measurements of annual income taken both before and after a two-year training course for a random sample of 100 people who took the course. Measurements of annual income for both individuals in pairs formed by assigning 100 people to pairs at random.

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