A Confidence Interval When the Population Standard Deviation Is Unknown and Small Sample Case · Exercise 24
Construct a 95% confidence interval for the true mean number of colors on national flags.
Using the same , , and n = 39, how would the error bound change if the confidence level were reduced to 90%? Why?
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OpenStax, Introductory Business Statistics 2e · §8.2 A Confidence Interval When the Population Standard Deviation Is Unknown and Small Sample Case · Exercise 24
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