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If a school district takes a random sample of 69 Math SAT scores and finds that the average is 496, and knowing that the
If a school district takes a random sample of 69 Math SAT scores and finds that the average is 496, and knowing that the population standard deviation of Math SAT scores is intended to be 100. Find a 99% confidence interval for the mean math SAT score for this district. Give your answers as decimals, to two places. What is the critical value?
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Forecasting Time Series And Regression
Authors: Bruce L. Bowerman, Richard O'Connell, Anne Koehler
4th Edition
0534409776, 9780534409777
