18 18 25 19 23 20 65 18 21 18 20 18 18 20 18 19 28 16 18 18 (a) Calculate the values of the sample mean and the standard deviation. (Round your standard deviation to four decimal places.) sample mean 21.9 yr standard deviation Xyr (b) Compute the upper quartile, the lower quartile, and the interquartile range. upper quartile lower quartile interquartile range mild outliers Xyr Xyr yr Enter a number. (c) Are there any mild or extreme outliers present in this data set? (Enter your answers as comma-separated lists. If there is no answer, enter NONE.) extreme outliers 65 X

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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Age at diagnosis for each of 20 patients under treatment for meningitis was given in a research paper. Suppose the ages (in years) were as follows.
18
18 25 19 23
18 20
18 19
mild outliers
28
(a) Calculate the values of the sample mean and the standard deviation. (Round your standard deviation to four decimal places.)
sample mean
21.9
standard deviation
20 65 18 21 18 20 18
16 18 18
(b) Compute the upper quartile, the lower quartile, and the interquartile range.
upper quartile
X yr
lower quartile
X
yr
interquartile range
yr
Enter a number.
extreme outliers 65
yr
X yr
(c) Are there any mild or extreme outliers present in this data set? (Enter your answers as comma-separated lists. If there is no answer, enter NONE.)
Transcribed Image Text:Age at diagnosis for each of 20 patients under treatment for meningitis was given in a research paper. Suppose the ages (in years) were as follows. 18 18 25 19 23 18 20 18 19 mild outliers 28 (a) Calculate the values of the sample mean and the standard deviation. (Round your standard deviation to four decimal places.) sample mean 21.9 standard deviation 20 65 18 21 18 20 18 16 18 18 (b) Compute the upper quartile, the lower quartile, and the interquartile range. upper quartile X yr lower quartile X yr interquartile range yr Enter a number. extreme outliers 65 yr X yr (c) Are there any mild or extreme outliers present in this data set? (Enter your answers as comma-separated lists. If there is no answer, enter NONE.)
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