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Gabc standardized test

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Suppose that a random sample of 100 students have a mean score of 101.5 on the 2017 version of the GABC test for graduate school admission. Based on historical data, the standard deviation of the test is known to be 5.75.

What is the 92% confidence interval for the true mean score the 2017 GABC standardized test?

Reference no: EM131402755

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