One of the major measures of the quality of service provided by an organization is the speed with which the organization responds to customer complaints. A large family-held department store selling furniture and flooring, including carpet, had undergone a major expansion in the past several years. In particular, the flooring department had expanded from two installation crews to an installation supervisor, a measurer, and 15 installation crews. A business objective of the company was to reduce the time between when the complaint is received and when it is During a recent year, the company received 50 complaints concerning carpet installation. The number of days between the receipt of the complaint and the resolution of the complaint for the 50 complaints are: 54 5 35 137 31 27 152 2 123      81 74 27 11 19 126 110 110 29 61 35 94        31 26 5 12 4 165 32 29 28 29 26 25        1 14 13 13 10 5 27 4 52 30 22 36        26 20 23 33 68

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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  1. One of the major measures of the quality of service provided by an organization is the speed with which the organization responds to customer complaints. A large family-held department store selling furniture and flooring, including carpet, had undergone a major expansion in the past several years. In particular, the flooring department had expanded from two installation crews to an installation supervisor, a measurer, and 15 installation crews. A business objective of the company was to reduce the time between when the complaint is received and when it is During a recent year, the company received 50 complaints concerning carpet installation. The number of days between the receipt of the complaint and the resolution of the complaint for the 50 complaints are:

54

5

35

137

31

27

152

2

123      81

74

27

11

19

126

110

110

29

61

35

94        31

26

5

12

4

165

32

29

28

29

26

25        1

14

13

13

10

5

27

4

52

30

22

36        26

20

23

33

68

 

 

 

 

 

 

 

 

 

 

  1. Construct a frequency distribution and a percentage
  2. Construct a histogram and a percentage
  3. Construct a cumulative percentage distribution and plot a cumulative percentage polygon (ogive).
  4. On the basis of the results of (a) through (c), 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?
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