Question: Refer to Exercise 14.9. Another study was conducted in the following way. Students from each of the high schools who were admitted to the business

Refer to Exercise 14.9. Another study was conducted in the following way. Students from each of the high schools who were admitted to the business program were matched according to their high school averages. The average grades in the first year were recorded. Can the university admissions officer conclude that there are differences in grading standards between the four high schools?

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