The last 10 calls to a customer support line had the following lengths (in minutes). 16, 54, 55, 57, 61, 63, 64, 65, 66, 67 Complete the parts below to identify any outliers. (a) Let Q₁ be the lower quartile and Q, be the upper quartile of the data set. Find Q, and Q, for the data set. Q₁ = 9₁= (b) Find the interquartile range (IQR) of the data set. IQR= X Lower boundary: Upper boundary: X S (c) Calculate a lower boundary using Q₁-1.5-IQR. Calculate an upper boundary using Q3 +1.5-IQR. (Note that 1.5-IQR means 1.5 times the IQR.) X 5 5

The last 10 calls to a customer support line had the following lengths (in minutes). 16, 54, 55, 57, 61, 63, 64, 65, 66, 67 Complete the parts below to identify any outliers. (a) Let Q₁ be the lower quartile and Q, be the upper quartile of the data set. Find Q, and Q, for the data set. Q₁ = 9₁= (b) Find the interquartile range (IQR) of the data set. IQR= X Lower boundary: Upper boundary: X S (c) Calculate a lower boundary using Q₁-1.5-IQR. Calculate an upper boundary using Q3 +1.5-IQR. (Note that 1.5-IQR means 1.5 times the IQR.) X 5 5

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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Question

The last 10 calls to a customer support line had the following lengths (in minutes).
16, 54, 55, 57, 61, 63, 64, 65, 66, 67
Complete the parts below to identify any outliers.
(a) Let Q₁ be the lower quartile and Q3 be the upper quartile of the data set. Find Q, and Q3 for the data set.
2₁ = 0
9₁ = 0
(b) Find the interquartile range (IQR) of the data set.
IQR = [
Explar
(c) Calculate a lower boundary using Q₁-1.5 IQR. Calculate an upper boundary using Q3 +1.5 IQR. (Note that
1.5.IQR means 1.5 times the IQR.)
Lower boundary:
Upper boundary:
X
Outliers:
X
(d) Any values less than the lower boundary or greater than the upper boundary are considered outliers. Identify all
the outliers of the data set. If there is more than one outlier, separate them with commas. If there are no
outliers, click "None".
ck
X
0,0,...
X
None
Ś
Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Acce
?
D
8.H

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Follow-up Question

(d) Any values less than the lower boundary or greater than the upper boundary are considered outliers. Identify all
the outliers of the data set. If there is more than one outlier, separate them with commas. If there are no
outliers, click "None".
Explanation
Outliers: None
Recheck
X
None
3
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