ANOVA (Analysis of Variance)
What It Is Used For
- To analyze the impact on the output of predetermined changes in
the levels of process or product variables.
When to Use It
- To help determine whether the variables being experimented on have
a statistically significant impact on the process output.
- Although ANOVA calculations can be done by hand with a calculator,
they are much easier to handle and less prone to mistakes if a
computer (software program) is used.