A random sample of 15 items is taken, producing a sample mean of 2.364 with a sample
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A random sample of 15 items is taken, producing a sample mean of 2.364 with a sample variance of .81. Assume x is normally distributed and construct a 90% confidence interval for the population mean.
Round the answers to 3 decimal places.
≤ μ ≤
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X is normally distributed say N 2 Sample size n 15 Sample variance S 2 081 Sa...View the full answer
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Related Book For
Business Statistics for Contemporary Decision Making
ISBN: 978-0470910184
6th Edition
Authors: Ken Black
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