You want to estimate for the population of IQ scores of statistics professors. Find the minimum
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You want to estimate σ for the population of IQ scores of statistics professors. Find the minimum sample size needed to be 95% confident that the sample standard deviation s is within 1% of σ. Is this sample size practical?
Assume that each sample is a simple random sample obtained from a normally distributed population. Use Table 7-2 on page 338 to find the indicated sample size.
Table 7-2:
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Based on Table 72 you are looking for the sample size needed to be 95 confident ...View the full answer
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Related Book For
Mathematical Interest Theory
ISBN: 9781470465681
3rd Edition
Authors: Leslie Jane, James Daniel, Federer Vaaler
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