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Red Top Cab Company Receives Multiple Complaints Per Day About

Question 21

Multiple Choice

Red Top Cab Company receives multiple complaints per day about driver behavior.Over 9 days the owner recorded the number of calls to be 3,0,8,9,6,7,4,9,and 8.What is the upper control limit for the 3-sigma c-chart?


A) 13.35
B) 8.45
C) 24.00
D) 0.00
E) 9.03

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