Construct a cumulative percentage distribution and plot a cumulative percentage polygon (ogive).
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 2
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 resolved. During a recent year, the company received 50 complaints
concerning carpet installation. The data from the 50 complaints, 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 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
Construct a cumulative percentage distribution and plot a cumulative percentage
(ogive).
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