In a resolution III fractional factorial experimental design, main effects are confounded with:
A team wants a technique for obtaining a large number of possible reasons for excess variation in a dimension. They should use:
The primary metric for a project is reduced cost for process A. Baseline data might include:
A population is bimodal with a variance of 5.77. One hundred samples of size 30 are randomly collected and the 100 sample means are calculated. The standard deviation of these sample means is approximately: