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Exercise
Two methods for training accountants are to be compared. Students are randomly assigned to one of the two methods. At the end of the course, each student is asked to prepare a tax return for the same individual. The returns reported by the students are

Method	Returns
1	132	204	603	50	125	90	185	134
2	92	-42	121	63	182	101	294	36

Using Welch's test, would you conclude that the methods differ in terms of the average return? Use α = 0.05.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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