A liquid-dispensing machine has been designed to fill bottles with 1.0 liter of

Question

A liquid-dispensing machine has been designed to fill bottles with 1.0 liter of liquid.Is the process in control or out of control? Choose the correct answer below The standard deviation of the process is 0.2 liter. A control chart is shown. The chart has horizontal lines drawn at the mean, , at ± 2, and at ± 3o. Determine if the process shown is in control or out of control. Explain. OA. In control, because none of the three warning signals detected a change. Out of control, because a point lies more than three standard deviations from the mean. OB. ° C. 0 D. Liquid Dispenser Out of control, because two out of three consecutive points lie more than two standard deviations from the mean. Out of control, because there are nine consecutive points either above or below the mean. Observation number k to select your answer and then click Check Answer

Explanation / Answer

Solution:

(A) in control, none of the three warning signals detected a change.

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