To determine if their 3.00 centimeter industrial belts are properly adjusted, Hutcheson & Gregory Inc. has...

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Statistics

To determine if their 3.00 centimeter industrial belts areproperly adjusted, Hutcheson & Gregory Inc. has decided to usean x‾-Chart which uses the range to estimate the variability in thesample.

Table:

Periodobs1obs2obs3obs4obs5obs6Sample MeanSample Range
13.0432.993.042.973.053.0150.08
23.013.012.982.973.013.043.00330.07
32.983.022.9633.053.013.00330.09
43.022.983.042.963.042.983.00330.08
52.963.022.973.002.983.002.98830.06
63.023.043.042.992.962.993.00670.08
72.972.992.972.992.972.952.97330.04
83.032.973.042.962.962.952.9850.09
93.003.032.952.982.962.952.97830.08
103.023.032.983.013.043.003.01330.06

Step 1 of 7 : What is the Center Line of thecontrol chart? Round your answer to three decimal places.

Step 2 of 7: What is the Upper Control Limit?Round your answer to three decimal places.

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