! • Age at diagnosis for each of 20 patients under treatment for meningitis was given in the paper "Penicillin in the Treatment of Meningitis" (Journal of the American Medical Association [1984): 1870–1874). The ages (in years) were as follows: 18 18 25 19 23 20 69 18 21 18 20 18 18 20 18 19 28 17 18 18 a. Calculate the values of the sample mean and the standard deviation. b. Compute the upper quartile, the lower quartile, and the interquartile range. c. Are there any mild or extreme outliers present in this data set? d. Construct the boxplot for this data set.
! • Age at diagnosis for each of 20 patients under treatment for meningitis was given in the paper "Penicillin in the Treatment of Meningitis" (Journal of the American Medical Association [1984): 1870–1874). The ages (in years) were as follows: 18 18 25 19 23 20 69 18 21 18 20 18 18 20 18 19 28 17 18 18 a. Calculate the values of the sample mean and the standard deviation. b. Compute the upper quartile, the lower quartile, and the interquartile range. c. Are there any mild or extreme outliers present in this data set? d. Construct the boxplot for this data set.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Question
![Age at diagnosis for each of 20 patients under
treatment for meningitis was given in the paper
"Penicillin in the Treatment of Meningitis" (Journal of the
American Medical Association [1984]: 1870-1874). The
ages (in years) were as follows:
4.72
18 18 25 19 23 20 69 18 21
18 20 18
18 20 18 19 28 17 18 18
a. Calculate the values of the sample mean and the
standard deviation.
b. Compute the upper quartile, the lower quartile,
and the interquartile range.
c. Are there any mild or extreme outliers present in
this data set?
d. Construct the boxplot for this data set.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F01084cd8-53c8-4b9c-b618-f6b4fd3e07d5%2Fbae630e0-3465-443e-b126-b135f393ca49%2Fskcggi_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Age at diagnosis for each of 20 patients under
treatment for meningitis was given in the paper
"Penicillin in the Treatment of Meningitis" (Journal of the
American Medical Association [1984]: 1870-1874). The
ages (in years) were as follows:
4.72
18 18 25 19 23 20 69 18 21
18 20 18
18 20 18 19 28 17 18 18
a. Calculate the values of the sample mean and the
standard deviation.
b. Compute the upper quartile, the lower quartile,
and the interquartile range.
c. Are there any mild or extreme outliers present in
this data set?
d. Construct the boxplot for this data set.
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