Determine the lower control limits

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Reference no: EM13111487

I have twice asked for help o t his problem and two people said yto give them my e mail which i did and they would help me buty i have not heard back from any of them. So could someone please help me with this problem?

Sample Sample Mean(in.) range (in.)
1 10.002 0.011
2 10.002 0.014
3 9.991 0.007
4 10.006 0.022
5 9.997 0.013
6 9.000 0.012
7 99.000 0.008
8 10.001 0.013
9 10.005 0.004
10 9.995 0.011
11 10.001 0.014
12 10.006 0.009
Determine the lower control limits and the overall means forthe upper ?X charts and R-charts
Draw the charts and plot the values of the sample means and ranges

Reference no: EM13111487

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