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Find the mean, median, first quartile and third quartile
One of the major measures of the quality of service provided by any organization is the speed with which 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 2 installation crews to an installation supervisor, measures, and 15 installation crews. A sample of 50 complaints concerning carpet installation was selected during recent year. The data in the file furniture.xls represent the number of days between the receipt of a complaint and the resolution of the complaint:
54
5
35
137
31
27
152
2
123
81
74
11
19
126
110
29
61
94
26
12
4
165
32
28
25
1
14
13
10
52
30
22
36
20
23
33
68
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