Total Quality Management (MBA)

A team from a courier company that promises overnight delivery is investigating the number of parcels that arrive the next day, as promised, they decide to take the simple of 50 parcels each day for 21 days, and test whether they arrive on time, The number of parcels that are late for each of the 21 days is given below:
3, 7, 8, 4, 3, 3, 5, 1, 3, 5,
11, 4, 2, 9, 3, 4, 6, 3, 0, 4, 5,
a. What sort of chart would you construct for this data? why?
b. Draw the chart and calculate the center line and control limits for the data?
c. What would you conclude from an examination of the chart? What recommend to the team?


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