QM for Windows, 9–12, 272

• control charts, 547–548

• decomposition method, 170

• Flair Furniture linear programming example, 251–257

• to forecast, 158–160

• goal programming module, 372

• integer programming model, 361–362

• integer programming problems, 305, 360–361

• inventory control, 235–236

• linear programming (LP) problems, 251–252

• with Markov analysis, 525–526

• maximal-flow problem, 331

• minimal spanning tree problem, 336–337

• minimization problems, 260

• Monte Carlo simulation, 468–469

• and objective function coefficients changes, 266–267

• and payoff table problems, 75, 76–77

• program crashing, 409

• queuing problems, 460

• regression calculations, 122, 125–126

• right-hand-side values changes, 270–271

• and transportation module, 355–356

• transportation problems, 321–322

• trend analysis, 164

Quadratic programming problem, 373

Qualitative factors, 2

Qualitative forecasting techniques, 148

Qualitative models, 147–148

Quality, 529

• definitions of, 529–530

Quality control (QC), 529

• history of, 530

• hospital uses, 534

Quality Is Free (Crosby), 530

Quality management, 529, 530

Quantifiable outcomes, 31

Quantitative analysis, 1–3, 153

• approach, 3–6, 9, 12

• computers and spreadsheet models role, 9–12

• developing model, 6–9, 13–14

• implementing results, 6

• lack of commitment, 16

• origin of, 3

• possible problems in, 12–15

• real-world, 6, 7

• resistance to change, 16

• techniques, listed, 3

Quantitative analysis/quantitative methods (QA/QM), 3–16

Quantitative causal models and regression analysis, 148

Quantitative models, 4, 5, 6–12, 13–14

• forecasting, 148–149

Quantitative variables, 129

Quantity discount models, 200–203

• total cost curve, 201

Quantity discounts, 186, 187, 189, 200–201

Queue discipline, 430

Queues, 427, 428

Queuing

• environment, enhancing, 438–439

• equations, 434–435

• polls, 442

Queuing models, 427, 432

• complex, 446

• history of, 428

Queuing problems, 46

• simulation, 476–478

Queuing system, 446

• characteristics of, 429–433

• configurations, 431, 432

Queuing theory, 48, 427, 438