Question: 6.25. A study considers whether the mean score jx on a college entrance exam for students in 2007 is any different from the mean of

6.25. A study considers whether the mean score jx on a college entrance exam for students in 2007 is any different from the mean of 500 for students in 1957. Test Ho: fx - 500 against H,,: 500, iffor a nationwide random sample of 10,000 students who took the exam in 2007, y = 497 and s = 100. Show that the result is highly significant statistically, but not practically significant.

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