Question: Refer to Table S6.1 - Factors for Computing Control Chart Limits (3 sigma) for this problem. Sampling 4 pieces of precision-cut wire (to be used

Refer to

Table S6.1 - Factors for Computing Control Chart Limits (3 sigma) for this problem.

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:

HourXbarRHourXbarRHourXbarRHourXbarR 1 3.25 0.717 3.05 0.5813 3.21 0.9019 3.41 1.61 23.201.2382.651.13142.731.36202.891.04 33.121.3893.120.76153.021.06212.751.13 43.391.26102.751.33162.740.50223.180.46 53.071.22112.931.17172.961.48232.941.53 62.860.42122.970.45182.841.29242.640.92

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 ?

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