One of the major issues in customer service is the speed with which a company responds to customer complaints. The manager of a telecommunication company aims to have a baseline data about the period the company is able to respond to customer complaints. The data will be used as a reference for a new system they want to adopt. The following data from a random sample of 25 complaints represent the number of days between the receipt of a complaint and the resolution of the complaint:
One of the major issues in customer service is the speed with which a company responds to customer complaints. The manager of a telecommunication company aims to have a baseline data about the period the company is able to respond to customer complaints. The data will be used as a reference for a new system they want to adopt. The following data from a random sample of 25 complaints represent the number of days between the receipt of a complaint and the resolution of the complaint:
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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Transcribed Image Text:Chapter 4. Data Management
6. One of the major issues in customer service is the speed with which a company responds to
customer complaints. The manager of a telecommunication company aims to have a baseline
data about the period the company is able to respond to customer complaints. The data will
be used as a reference for a new system they want to adopt. The following data from a
random sample of 25 complaints represent the number of days between the receipt of a
complaint and the resolution of the complaint:
a. Compute the mean, median, first quartile, and third quartile.
b. Compute the range, interquartile range, variance, standard deviation, and coefficient of
variation.
c. On the basis of the results of (a) and (b), if you had to tell the president of the company how
long a customer should expect to wait to have a complaint resolved, what would you say?
Explain.
15
10 7 9
12
13
16
18
21
11
14
14
11
16
7 9 8
10
21
12
14
20
17
12
11
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