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

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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.

An archaeologist discovers only seven fossil skeletons from a previously unknown species of horse. Reconstructions of...

An archaeologist discovers only seven fossil skeletons from a previously unknown species of horse. Reconstructions of the skeletons of these seven horses show the shoulder heights (in centimeters) to be: 132 141 143 107 123 145 163 Find a 95% confidence interval for the mean shoulder height. Show work.

An Egyptian mummy is discovered in which the amount of Carbon-14 present is only about twenty-nine...

An Egyptian mummy is discovered in which the amount of Carbon-14 present is only about twenty-nine fiftieths the amount found in living human beings. a. Using the half-life of Carbon-14, determine the decay constant for Carbon-14 (answer in decimal form and scientific notation, accurate to the tenth decimal place)? b. About how long ago did the Egyptian die? c. If this is a royal tomb, which Pharaoh is in the sarcophagus? Which dynasty and regnal years are recorded for this...

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

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

An archaeologist discovers only seven fossil skeletons from a previously unknown species of horse. Reconstructions of...

An Egyptian mummy is discovered in which the amount of Carbon-14 present is only about twenty-nine...