In 1789, Henry Cavendish estimated the density of the earth by using a torsion balance. His 29 measurements follow, expressed
(a) Calculate the sample mean, sample standard deviation, and median of the Cavendish density data.
(b) Construct a normal probability plot of the data. Comment on the plot. Does there seem to be a low outlier in the data?
(c) Would the sample median be a better estimate of the density of the earth than the sample mean?Why?
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Question Posted: August 30, 2012 02:25:53