Part 1 A regional airline is concerned about its on-time performance. The Memphi
ID: 335573 • Letter: P
Question
Part 1
A regional airline is concerned about its on-time performance. The Memphis hub experiences 20 flight operations each day of the week, with the following record of on-time departures for the previous 10 days: 17, 16, 18, 19, 16, 15, 20, 17, 18, and 16. Prepare a p-chart with a sample size consisting of one week’s average on-time percentage.
UCL = .86, LCL = 0
UCL = .93, LCL = 0
UCL = 1, LCL = .47
UCL = 1.25, LCL = .47
None of the above
Part 2.
A process is considered to be out of control when:
Sample measurements show wide variance.
A measurement falls outside the control limits.
The sample mean is above the population mean.
Sample measurements follow a distinct pattern within the control limits.
None of the above.
Part 3.
In a service firm, which of the following would be an example of a prevention cost?
Inspection
Process control
Collecting quality data
Recruitment and selection
Scrapped forms and reports
Final Part.
Doing work incorrectly is an example of a:
Task error
Tangible error
Resolution error
Encounter error
Treatment error
a.UCL = .86, LCL = 0
b.UCL = .93, LCL = 0
c.UCL = 1, LCL = .47
d.UCL = 1.25, LCL = .47
e.None of the above
Explanation / Answer
Part 2
A process is considered to be out of control when:
Ans: b: Measurment falls outside the control limit
Part 3:
a:Inspection
Inspection is a prevention cost as it helps in identifying the issues in the process and rectify it
Part 4;
a: Task Error
Task is set of activities which incorporate various requirements inorder to fulfil the objective.