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Age at diagnosis for each of 20 patients under treatment for meningitis was given in a...

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Statistics

Age at diagnosis for each of 20 patients under treatment formeningitis was given in a research paper. Suppose the ages (inyears) were as follows.

181827192320661821182018
1820181928161818

(a)

Calculate the values of the sample mean and the standarddeviation. (Round your standard deviation to three decimalplaces.)

sample mean =
rstandard deviation =

(b)

Compute the upper quartile, the lower quartile, and theinterquartile range.

upper quartile=
lower quartile =
interquartile range =

(c)

Are there any mild or extreme outliers present in this data set?(Enter your answers as comma-separated lists. If there is noanswer, enter NONE.)

mild outliers=

extreme outliers=

Answer & Explanation Solved by verified expert
4.4 Ratings (831 Votes)
The Given Data of ages of patients is1818271923206618211820181820181928161818a The sample mean is given byThe sample standard    See Answer
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