The archaeologist discovered only nine fossil skeletons of an unknown species of miniature horse. Reconstructions of the skeletons of these miniature horses show the following shoulder heights; 45.3 47.1 44.2 46.8 46.5 45.5 47.6 45.7 46.4 (a) Estimate the Sample Mean and Sample Standard Deviation. (b) Using student’s t-distribution table, estimate the error E at 95% confidence. (c) Estimate the interval of population mean having 95% confidence level.
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