Basic Statistics for DOE (1 day)
Day 1
Section 1 – Basic Statistics
- Population vs sample
- Descriptive statistics
- Mean, variance and standard deviation
- Using Design-Expert to compute statistics
- Mean and standard deviation
Section 2 – Interval Estimates
- Central limit theorem
- Confidence interval for the mean
- Prediction interval for a future outcome
- Tolerance interval for a proportion of the population
- Computing intervals using Design-Expert
Lunch
Section 3 – Hypothesis Testing (two means)
- T-test
- One-way ANOVA (F-test)
- Paired t-test (blocking
Section 4 – One-Way ANOVA
- F-test for three (or more) means
- Video: Diet makes rats smarter
- Estimating required sample size (power)
- Exercise: An example! (putting it all together)
Section 5 – Review and Optional Exercise
- Video comparing rollers
- Review: comparing two means
- Test your metal
- Material comparison
- How big of a sample
- Answers (do NOT peek)
- DOE Support
See the public workshop
schedule and the SDOE course description
for further information.