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.
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Given sample size n15 sample mean xbar2364 sample variance081 we know that s...View the full answer
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Business Statistics for Contemporary Decision Making
ISBN: 978-0470910184
6th Edition
Authors: Ken Black
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