Does the process appear to have been in control

Reference no: EM13901955

The following data represent the results of inspecting all personal computers pro- duced at a given plant during the past 12 days.

Day	Number of Units	NumberDefective
1	80	5
2	110	7
3	90	4
4	80	9
5	100	12
6	90	10
7	80	4
8	70	3
9	80	5
10	90	6
11	90	5
12	110	7

Does the process appear to have been in control? Determine control limits for future production.

Reference no: EM13901955

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