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4. Using your sample mean and sample standard deviation, construct an 80% confidence interval for the population mean number of hours of sleep on
4. Using your sample mean and sample standard deviation, construct an 80% confidence interval for the population mean number of hours of sleep on a typical night by hand (SHOW WORK). Write a complete sentence. Round your answer to 3 decimal places. S F= 8.217 8=0.98 n = 15 T = 1.345 = d+f=n-1=15-1=14 df = 14 CI=0.80 1-0.80+2=0.10 column: 0.10 This gives us T = 1.345
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College Algebra Graphs and Models
Authors: Marvin L. Bittinger, Judith A. Beecher, David J. Ellenbogen, Judith A. Penna
5th edition
321845404, 978-0321791009, 321791002, 978-0321783950, 321783956, 978-0321845405
