Suppose we observe the number of wafers that are defective

Reference no: EM13617546

Suppose we observe the number of wafers that are defective with samples of wafers of size 5. We observe the following data

1 2 0

1 0 1

With = 0:05 construct a control chart for this data. Suppose we then observe the following data points, his phase 2 data is given beneath,.

0 2 2

1 2 2

2 2 5

What would be the conclusion the quality engineer would make to management?

a. The process is in control.

b. The process is not in control.

c. The process is mostly in control except for one observation.

d. The correct answer is not written.

e. There is not enough information given to answer the question.

Reference no: EM13617546

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