Business Statistics: For Contemporary Decision Making, 7th Edition

INDEX

A

A posteriori comparisons, 424

A priori comparisons, 424

Addition laws. See also Probability

demonstration problem, 111–113, 115

general, 109

probability matrices, 110–114

special, 114–115

Adjusted coefficient of multiple determination, 539–540

After-process quality control, 737

Alpha, 304, 328, 436, 667

Alternative hypotheses. See also Hypotheses; Null hypotheses

defined, 298

examples, 298–299

in randomized block design, 433

rejection region and, 328

Analysis errors, 233

Analysis of variance (ANOVA), 408–467

assumptions, 415

computation, 415

computer use, 466–467

database analysis, 464–465

defined, 411

ethical considerations, 459

experimental design and, 410–412

formulas, 460–461

multiple comparison tests, 424–432

one-way, 412–423

randomized block design and, 432–442

summary, 459–460

tree diagram, 410

two-way, 442–457

ANOVA. see Analysis of variance

Arithmetic mean

defined, 55, 89

sum of deviations from, 64

Autocorrelation

addition of independent variables, 633–634

defined, 630

Durbin-Watson test, 631

first-differences approach, 634

overcoming, 633–634

in regression analysis, 630, 631

summary, 646

variable transformation, 634

Autoregression

defined, 634

example, 634, 635

model, 634

summary, 646–647

uses, 634

Averaging models

defined, 609

moving averages, 609–613

simple average model, 609

B

Backward elimination. See also Search procedures

defined, 578

full model, 579

predictors, 579

Bar charts

defined, 32

Excel, 32, 50

horizontal, 32

illustrated, 33

Minitab, 51

vertical, ...