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1. The city education superintendent is concerned about differential performance by students at the city's two public high schools. The City East High School is

1. The city education superintendent is concerned about differential performance by students at the city's two public high schools. The City East High School is located in a wealthier area than the City West High School and has a newer facility, which the superintendent believes may help to attract more qualified teachers and improve student performance. The superintendent has a group of tenth graders at each school take the same standardized test. 22 of the 40 City East students scored at or above the proficient level, while 25 of the 50 City West students scored at or above the proficient level. Do the results support the superintendent's belief? Present research and null hypotheses and evaluate them.

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