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b. Determine and interpret the interquartile range (IQR).

b. Determine and interpret the interquartile range (IQR).

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Part b

A statistic center compiles data on the length of stay by patients in short-term hospitals. A random sample of 21 patients yielded the data on length of stay, in days, shown below. Complete parts (a) through (e) below. 25 2 5 9 3 21 55 23 23 7 23 5 6 17 25 5 23 13 17 23 a. Obtain and interpret the quartiles. Q1 = 5 Q2 13 Q3 = 23 (Type integers or decimals.) Interpret the quartiles. Choose the correct answer below. A. The quartiles suggest that 33% of the patients stayed less than 5 days, 33% stayed between 5 and 23 days, and 33% stayed more than 23 days. B. The quartiles suggest that all the patients stayed between 5 and 23 days. C. The quartiles suggest that the average length of stay is 13 days. D. The quartiles suggest that 25% of the patients stayed less than 5 days, 25% stayed between 5 and 13 days, 25% stayed between 13 and 23 days, and 25% stayed more than 23 days. b. Determine and interpret the interquartile range (IQR). IQR = (Simplify your answer. Type an integer or decimal.)
Transcribed Image Text:A statistic center compiles data on the length of stay by patients in short-term hospitals. A random sample of 21 patients yielded the data on length of stay, in days, shown below. Complete parts (a) through (e) below. 25 2 5 9 3 21 55 23 23 7 23 5 6 17 25 5 23 13 17 23 a. Obtain and interpret the quartiles. Q1 = 5 Q2 13 Q3 = 23 (Type integers or decimals.) Interpret the quartiles. Choose the correct answer below. A. The quartiles suggest that 33% of the patients stayed less than 5 days, 33% stayed between 5 and 23 days, and 33% stayed more than 23 days. B. The quartiles suggest that all the patients stayed between 5 and 23 days. C. The quartiles suggest that the average length of stay is 13 days. D. The quartiles suggest that 25% of the patients stayed less than 5 days, 25% stayed between 5 and 13 days, 25% stayed between 13 and 23 days, and 25% stayed more than 23 days. b. Determine and interpret the interquartile range (IQR). IQR = (Simplify your answer. Type an integer or decimal.)
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