Margin of error, E = 20.3 cm; sample standard deviation, s = 321.0 cm Sample Sizes. In
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Margin of error, E = 20.3 cm; sample standard deviation, s = 321.0 cm
Sample Sizes. In Exercise, assume that you want to construct a 95% confidence interval estimate of a population mean. Find an estimate of the minimum sample size needed to obtain the specified margin of error for the 95% confidence interval. The sample standard deviation is given.
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The formula for the margin of error is Since we are interested in a 95 confidenc...View the full answer
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Related Book For 
Statistical Reasoning For Everyday Life
ISBN: 978-0134494043
5th Edition
Authors: Jeff Bennett, William Briggs, Mario Triola
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