Answer all six parts complete and correct otherwise don't even think of attempting!!!

Sampling 4 pieces of precision-cut wire (to be used in computer assembly) every hour for the past 24 hours has produced the following results:

Based on the sampling done, the control limits for 3-sigma x overbarx chart are (round all intermediate calculations to three decimal places before proceeding with furthercalculations): Upper Control Limit (UCL Subscript x overbarUCLx) = ? Lower Control Limit (LCL Subscript x overbarLCLx) = ? Based on the x overbarx-chart, the wire cutting process has been IN CONTROL or OUT OF CONTROL?

The control limits for the 3-sigma R-chart are (round all intermediate calculations to three decimal places before proceeding with further calculations): Upper Control Limit (UCL Subscript Upper RUCLR) = ? Lower Control Limit (LCL Subscript Upper RLCLR) = ? Based on the R-chart, the wire cutting process has been IN CONTROL or OUT OF CONTROL ?

Hour Hour R 8 1 2 3 4 3.15" 3.20 3.22 3.39 3.17 2.76 R 0.71" 1.23 1.43 1.21 1.17 0.37 x R 3.05" 0.53" 2.65 1.13 3.02 0.71 2.95 1.33 2.73 1.12 3.07 0.35 Hour 13 14 15 16 17 18 X R 3.21" 0.80" 2.73 1.36 3.02 1.01 2.74 0.45 2.86 1.48 2.84 1.34 Hour 19 20 21 22 23 24 3.41" 2.99 2.75 3.38 2.84 2.64 1.56" 1.09 1.08 0.51 1.53 0.97 11 12 6