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Data on fifth-grade test scores (reading and mathematics) for 412 school districts in California yield Y=659.1 and standard deviation sY=19.9. The 95% confidence interval for

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Data on fifth-grade test scores (reading and mathematics) for 412 school districts in California yield Y=659.1 and standard deviation sY=19.9. The 95% confidence interval for the mean test score in the population is (Round your responses to two decimal places.) When the districts were divided into districts with small classes (

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