de A gear has been designed to have a diameter of 3 inches. The process is 0.3 i

Question

de A gear has been designed to have a diameter of 3 inches. The process is 0.3 inch. A control chart is shown. Each chart has horizontal lines drawn a deviation of the Is the process in control or out of control? Select all that apply the mean, ? ? 2?, and at ?*3, Determine ifthe process shon is incontrolor out of control. Explain DA. ut of control, because a pont les more than tree Gears B. Out of control, because two out of three consecutive points le more than two standard deviations from the mean. c. In control because none ofthe three waming sgnals detected a change D. Out of control, because there are nine consecutive points either above or below the mean 10 11 Observation mumber

Explanation / Answer

From the graph we clearly notice that,

the Points are lies inside the two standard devaitions

Therfore answer is option C

C)

In control because none of the three warning signals detected a change

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