Question: find UCL(x), LCL(x), has the wire cutting process been in/out of control? find UCL(R), LCL(R), has the wire cutting process been in/out of control? Sampling

find UCL(x), LCL(x), has the wire cutting process been in/out of control?

find UCL(R), LCL(R), has the wire cutting process been in/out of control? find UCL(x), LCL(x), has the wire cutting process

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 0 Hour 1 X 335 3.10 3.12 339 3.07 286 2 3 4 5 6 R 0.76 1 13 138 1 26 1.17 032 Hour 7 8 9 10 11 12 X R 3.05* 053 2.75 1.08 292 0.66 Hour 13 14 15 16 17 18 X R 321" 080 283 1.31 3.12 1.11 284 0.50 280 148 2.84 134 Hour 19 20 21 22 23 24 X 331" 2.99 2.75 338 304 264 R 1.56 1.14 1.03 0.46 1.58 0.97 2.85 133 112 273 287 0.35 Based on the sampling done, the controllimits for 3-sigma x chart are (round all intermediate calculations to three decimal places before proceeding with further calculations) Upper Control Limt (UCL) - inches (round your response to three decimal places) Definition Sample Size, in 2. 3 4 6 6 7 8 9 10 12 Mean Factor A, 1.880 1.023 0.720 0.577 0.483 0.419 0373 0337 0303 0.266 Upper Range, D 3268 2 574 2282 2.115 2004 1.924 1.864 1 816 1.777 1716 Lower Range D 0 0 0 0 0 0.076 0.130 0 184 0.223 0.284 Enter your answer in the answer box and then click Check

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