1. One of the major measures of the quality of service provided by any organization is the speed with which it responds to customer complaints. A large department store selling furniture and flooring, including wood tiling, had undergone a major expansion in the past several years. In particular, the flooring department had expanded from 2 installation crews to an installation supervisor, a measurer, and 15 installation crews. A sample of 50 complaints concerning wood tiling was selected during a recent year. The following data represent the number of days between the receipt of the complaint and the resolution of the complaint. 54 35 137 31 27 152 123 81 74 11 19 126 110 110 29 61 35 94 31 26 12 4 165 32 29 28 29 26 25 1 14 13 10 5 27 4 52 30 22 36 26 20 33 68 27 5 13 23 1.1 Compute the mean and median. 1.2 Compute the first quartile and third quartile. 1.3 Compute the range, interquartile range, variance and standard deviation.
1. One of the major measures of the quality of service provided by any organization is the speed with which it responds to customer complaints. A large department store selling furniture and flooring, including wood tiling, had undergone a major expansion in the past several years. In particular, the flooring department had expanded from 2 installation crews to an installation supervisor, a measurer, and 15 installation crews. A sample of 50 complaints concerning wood tiling was selected during a recent year. The following data represent the number of days between the receipt of the complaint and the resolution of the complaint. 54 35 137 31 27 152 123 81 74 11 19 126 110 110 29 61 35 94 31 26 12 4 165 32 29 28 29 26 25 1 14 13 10 5 27 4 52 30 22 36 26 20 33 68 27 5 13 23 1.1 Compute the mean and median. 1.2 Compute the first quartile and third quartile. 1.3 Compute the range, interquartile range, variance and standard deviation.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 27PPS
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Transcribed Image Text:1. One of the major measures of the quality of service provided by any organization is the speed
with which it responds to customer complaints. A large department store selling furniture and
flooring, including wood tiling, had undergone a major expansion in the past several years. In
particular, the flooring department had expanded from 2 installation crews to an installation
supervisor, a measurer, and 15 installation crews. A sample of 50 complaints concerning wood
tiling was selected during a recent year. The following data represent the number of days
between the receipt of the complaint and the resolution of the complaint.
54
5
35
137
31
27
152
2
123
81
74
11
19
126
110
110
29
61
35
94
31
26
12
4
165
32
29
28
29
26
25
1
14
13
10
5
27
4
52
30
22
36
26
20
33
68
27
5
13
23
1.1 Compute the mean and median.
1.2 Compute the first quartile and third quartile.
1.3 Compute the range, interquartile range, variance and standard deviation.
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