Students per Teacher in U.S. Public Schools The national average for the number of
Chapter 7, Problem 13(choose chapter or problem)
Students per Teacher in U.S. Public Schools The national average for the number of students per teacher for all U.S. public schools in 15.9. A random sample of 12 school districts from a moderately populated area showed that the mean number of students per teacher was 19.2 with a variance of 4.41. Estimate the true mean number of students per teacher with 95% confidence. How does your estimate compare with the national average?
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