Question

In: Statistics and Probability

The archaeologist discovered only nine fossil skeletons of an unknown species of miniature horse. Reconstructions of...

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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ANSWER::

Let the observations is denoted by xi (i=1, 2,3,4,5,6,7,8,9)


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