The Awake Coffee Company produces gourmet instant coffee. The company wants to b

Question

The Awake Coffee Company produces gourmet instant coffee. The company wants to be sure that the average fill of coffee containers is 12.0 ounces. To make sure the process is in control, a worker periodically selects at random a box of six containers of coffee and measures their weight. When the process is in control, the range of the weight of coffee samples averages 0.6 ounces. Develop an R-chart and an -chart for this process and answer the questions.

The measurements of weight from the last five samples taken of the six containers follow:








Control limits for x-bar chart:
CL = , round your answer to 2 decimal places, the tolerance is +/-0.01
UCL = , round your answer to 2 decimal places, the tolerance is +/-0.03
LCL = , round your answer to 2 decimal places, the tolerance is +/-0.03

Control limits for R-chart:
CL = , round your answer to 2 decimal places, the tolerance is +/-0.01
UCL = , round your answer to 2 decimal places, the tolerance is +/-0.03
LCL = , round your answer to 2 decimal places, the tolerance is +/-0.03







Is the process in control?


The process is in control.

The process is not in control.

Explanation / Answer

The process is in control.

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