Index_X

X

X and MR chart

description of, 145 “147

nominal, 284 “285

short-run, 286 “287

short-run statistical process chart, 284 “286

target, 285 “286

Xbar chart

advantages and disadvantages of, 133

construction of, 133 “145

control limits, 134 “135

description of, 65 “66

process control, 136 “137, 141

sampling frequency and size , 133 “134

vertical scale, 136

X chart vs., 145 “146

Xbar and R chart

analysis of variance vs., 211

causes that affect, 216, 218 “220

description of, 267

illustration of, 237

modified, 198

nominal, 278 “279

short-run, 281 “282, 294

short-run statistical process control, 278 “279

target, 280 “281

trending center line, 308 “309, 312 “313

Xbar and s chart

description of, 148, 150

short run, 282 “283

standardized, 283 “284