A simple random sample of 16 adults drawn from a certain population of adults yielded a mean
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A simple random sample of 16 adults drawn from a certain population of adults yielded a mean weight of 63 kg. Assume that weights in the population are approximately normally distributed with a variance of 49.
Do the sample data provide sufficient evidence for us to conclude that the mean weight for the population is less than 70 kg? Let the probability of committing a type I error be .01.
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Biostatistics A Foundation For Analysis In The Health Sciences
ISBN: 9781118302798
10th Edition
Authors: Wayne W. Daniel, Chad L. Cross
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