Question: A liquid-dispensing machine has been designed to fill bottles with 1 liter of liquid. The standard deviation of the process is 0.1 liter. A control

A liquid-dispensing machine has been designed to fill bottles with 1 liter of liquid. The standard deviation of the process is 0.1 liter.

Liquid Dispenser 1.5 1.0 0.5 12 2 4 6 10 Observation number Liquid dispensed (in liters)

A control chart is shown. Each chart has horizontal lines drawn at the mean μ, at μ ± 2σ, and at m ± 3σ. Determine whether the process shown is in control or out of control. Explain.

Liquid Dispenser 1.5 1.0 0.5 12 2 4 6 10 Observation number Liquid dispensed (in liters)

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