Quality Control

All You Need for Statistical Quality Control at a Much Better Price

In addition to containing a robust suite of control charts and other statistical quality control tools and procedures, the NCSS solution is a comprehensive statistical software package containing hundreds of analysis and graphics tools.

Each of our statistical quality control tools is easy-to-use, well-documented, and carefully validated against published results.

Whether you work in manufacturing, distribution, financial services, health care, transportation, a government agency, or another field, NCSS gives you the statistical quality control tools you need to improve quality control. With over 30 years on the market, NCSS is used by a wide range of small companies and agencies as well as large-scale corporations.

  • Acceptance Sampling
  • Analysis of Runs
  • Analysis of Variance
  • Control Charts
  • Curve Fitting
  • Experimental Design
  • Lag Plots
  • Pareto Charts
  • Probability Plots
  • R & R Study
  • Regression
  • Reliability Analysis
  • Tolerance Intervals

“We have used your product for almost 20 years… Through each version of NCSS, we have been able to count on its user-friendly design, broad range of statistical tools and a high level of very personalized customer support.”

—Dr. George Ebra, Dr. Debra Guest

Quality Control Using NCSS Data Analysis and Graphics Software

Each step in using NCSS is a breeze, and there are a variety of carefully crafted training videos for each topic. Complete documentation is included with the software, including technical details and examples. Click here to learn more about quality control in NCSS.

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User-friendly Graphics

NCSS has a large collection of tools for plots, charts, and graphs. These graphics procedures offer extensive flexibility to get your graph to look just as you want it, while still maintaining ease-of-use and intuitiveness. Videos providing details of individual aspects of graphing in NCSS are available for free at our website.

Graph Examples

NCSS/PASS Cited in Recent Publications

International Urogynecology Journal
Clinical and Experimental Pharmacology and Physiology
Annals of Oncology
The American Journal of Clinical Nutrition
International Orthopaedics
Journal of Veterinary Internal Medicine
Journal of Anesthesia
Journal of Cardiology
International Journal of Rheumatic Diseases
Cardiothoracic and Vascular Anesthesia
Journal of Advanced Nursing
Aquatic Botany
Journal of Infection
Journal of Dental Education
Health Economics Reivew
Schizophrenia Research
Environmental and Experimental Botany
Transfusion Medicine
Southeastern Surgical Congress
Pediatric Cardiology
Cardiovascular Therapeutics
Water Resources Research
Journal of Applied Entomology
Gastrointestinal Endoscopy
Experimental & Clinical Cardiology
American Heart Journal
American Journal of Transplantation
Annals of Internal Medicine
American Journal of Surgery
Journal of Hepatology
American Heart Association
Journal of Cardiovascular Electrophysiology
Bone Marrow Transplantation
International Journal of Gynecology Obstetrics
The Journal of Urology
The American Journal of Medicine

"PASS 13 is fantastic! Better than my new dishwasher and microwave combined."

Dr. Barbara Tabachnick, CSUN, Author

I adore NCSS and PASS. I have been using them for 20 years now.

Mario Martinez Gonzalez, MPH, FEE, MD, Universidad Nacional Autonoma de Mexico