COMPLAINT FREQUENCY Could not get through to customer service to make requests 125 Seats not available on date requested 270 Had to pay fees to get "free" seats 62 Seats were available but only on flights at odd hours 110 Rules kept changing whenever customer called 33

Practical Management Science
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Author:WINSTON, Wayne L.
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Northern Airlines’s frequent flyer complaints about redeeming miles for free, discounted, and upgraded travel are summarized below, in five categories, from 600 letters received this year. Develop a Pareto chart for the data.

COMPLAINT
FREQUENCY
Could not get through to customer service to make
requests
125
Seats not available on date requested
270
Had to pay fees to get "free" seats
62
Seats were available but only on flights at odd hours
110
Rules kept changing whenever customer called
33
Transcribed Image Text:COMPLAINT FREQUENCY Could not get through to customer service to make requests 125 Seats not available on date requested 270 Had to pay fees to get "free" seats 62 Seats were available but only on flights at odd hours 110 Rules kept changing whenever customer called 33
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