Business Statistics: For Contemporary Decision Making, 8th Edition

INDEX

A

Addition laws. See also Probability demonstration problem, 111–113, 115

general, 109

joint probability tables, 110–114

special, 114–115

Adjusted coefficient of multiple determination, 545–546

After-process quality control, 741

Alpha, 308, 309, 334, 442

Alternative hypotheses. See also Hypotheses; Null hypotheses

defined, 302

examples, 302

in randomized block design, 439

rejection region and, 334

Analysis errors, 235

Analysis of variance (ANOVA), 414–473

assumptions, 421

computation, 421

computer use, 472–473

database analysis, 470

defined, 417

ethical considerations, 464

experimental design and, 416–418

formulas, 466

multiple comparison tests, 430–438

one-way, 418–429

randomized block design and, 438–448

summary, 465

tree diagram, 416

two-way, 448–463

A posteriori comparisons, 430

A priori comparisons, 430

Area under continuous distribution curve, 186

Arithmetic mean: defined, 55, 88

sum of deviations from, 64

Autocorrelation:

addition of independent variables, 639–640

defined, 636

Durbin-Watson test, 637

first-differences approach, 640

overcoming, 639–640

in regression analysis, 636, 637

summary, 652

variable transformation, 640

Autoregression:

defined, 640

example, 640, 641

model, 640

summary, 652

uses, 640

Averaging models:

defined, 615

moving averages, 615–619

simple average model, 615

B

Backward elimination. See also Search procedures

defined, 584

full model, 585

predictors, 585

Bar charts:

defined, 32

Excel, 33, 50

horizontal, 33

illustrated, 33

Minitab, 51

vertical, ...