Welcome to Objective Design of Experiments - Teaching practical, efficient experiment design to scientists, chemists and engineers

Can we get things done faster? We need a more organized approach. How can we develop our ideas? What we do now is too expensive. FAQs for business owners/managers

My project is complicated. I need a better way to do my work. I want to be the best at what I do. I'm up against a deadline. FAQs for engineers and scientists

I have a technical question. I have a general question. I want information about your workshops. I want to submit a testimonial.

Calculators

Confidence Limit Sample Size Calculator

t-Test Sample Size Calculator

Minimal Trials Calculator

Statistical Limits Calculator

You can purchase the Sample Size Calculator, a small program that calculates sample size for Confidence limits, t-Tests, Cpk and Percentages, the minimum number of trials for a designed experiment, and sample size with maximum allowable rejects for reliability studies. It also includes help files for everything. You can buy a copy for just $14.95.
Tell me more!