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2-8 Data on fifth-grade test scores (reading and mathematics) for 424 school districts in California yield of 601.0 and standard deviation sy=18.1, what is

2-8 Data on fifth-grade test scores (reading and mathematics) for 424 school districts in California yield of 601.0 and standard deviation sy=18.1, what is the 95% confidence interval for the mean test score in the population? Interpret your answer.

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