Number of late arrivals, Central Airlines would like to set

Number of late arrivals

Assignment Help Management Theories

Reference no: EM13967750

Central Airlines would like to set up a control chart to monitor its on-time arrival performance. Each day over a 10-day period Central Airlines chose 30 flights at random and tracked the number of late arrivals in each sample. The results are as follows:

DAY	SAMPLE SIZE	NO. OF LATE- ARRIVING FLIGHTS
1	30	2
2	30	3
3	30	4
4	30	0
5	30	1
6	30	6
7	30	4
8	30	2
9	30	3
10	30	5

a. Calculate p.

b. Set up a p chart to track the proportion of late arrivals. (Note: Each sample consists of 30 observations.)

c. Airline travel is characterized by busy and slow seasons. As a result, what is "normal" during one time of the year wouldn't be "normal" at some other time. What difficulties might arise as a result of using a single control chart to track the proportion of late arrivals? What could Central Airlines do about this?

Reference no: EM13967750

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