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The formula used to compute a confidence interval for the mean of a normal population when n is small is

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The formula used to compute a confidence interval for the mean of a normal population when n is small is
 ± (t critical value) s/√n
What is the appropriate t critical value for each of the following confidence levels and sample sizes?
a. 95% confidence, n = 15
b. 99% confidence, n = 20
c. 90% confidence, n = 26

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a Using technology the t critical value is 2 …View the full answer


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Statistics Learning From Data

Statistics Learning From Data

ISBN: 9780495553267

1st Edition

Authors: Roxy Peck

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Question Posted: November 28, 2015 06:49:23
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