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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Confidence interval for m, s unknown
Suppose an archaeologist discovers seven fossil skeletons from a previously unknown species of miniature horse. Reconstructions of the skeletons of these seven miniature horses show the shoulder heights (in centimeters) to be
|
45.3 |
47.1 |
44.2 |
46.8 |
46.5 |
45.5 |
47.6 |
For these sample data, the mean isÂ
and the sample standard deviation is s = 1.19. Let μ be the mean shoulder height (in centimeters) for this entire species of miniature horse, and assume that the population of shoulder heights is approximately normal. Find a 99% confidence interval for μ, the mean shoulder height of the entire population of such horses.
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