Various chemical tests were conducted on beeswax by White, Riethof, and Kushnir (1960). In particular, the percentage of hydrocarbons in each sample of wax was determined. a. Plot the ecdf, a histogram, and a normal probability plot of the percentages of hydrocarbons given in the following table. Find the .90, .75, .50, .25, and .10 quantiles. Does the distribution appear Gaussian? 14.27 14.80 12.28 17.09 15.10 12.92 15.56 15.38 15.15 13.98 14.90 15.91 14.52 15.63 13.83 13.66 13.98 14.47 14.65 14.73 15.18 14.49 14.56 15.03 15.40 14.68 13.33 14.41 14.19 15.21 14.75 14.41 14.04 13.68 15.31 14.32 13.64 14.77 14.30 14.62 14.10 15.47 13.73 13.65 15.02 14.01 14.92 15.47 13.75 14.87 15.28 14.43 13.96 14.57 15.49 15.13 14.23 14.44 14.57
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Question:
6. Various chemical tests were conducted on beeswax by White, Riethof, and
Kushnir (1960). In particular, the percentage of hydrocarbons in each sample
of wax was determined.
a. Plot the ecdf, a histogram, and a normal probability plot of the percentages of
hydrocarbons given in the following table. Find the .90, .75, .50, .25, and .10
quantiles. Does the distribution appear Gaussian?
14.27 14.80 12.28 17.09 15.10 12.92 15.56 15.38
15.15 13.98 14.90 15.91 14.52 15.63 13.83 13.66
13.98 14.47 14.65 14.73 15.18 14.49 14.56 15.03
15.40 14.68 13.33 14.41 14.19 15.21 14.75 14.41
14.04 13.68 15.31 14.32 13.64 14.77 14.30 14.62
14.10 15.47 13.73 13.65 15.02 14.01 14.92 15.47
13.75 14.87 15.28 14.43 13.96 14.57 15.49 15.13
14.23 14.44 14.57
Solution:
https://www.slader.com/textbook/9780534399429-mathematical-statistics-and-data-analysis-3rd-edition/408/6/
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