Non-parametric testing is done when which of these are applicable? (Note: There are 3 correct answers).
The Mann-Whitney Test is used to test if the Means for two samples are different.
Contingency Tables are used to do which of these? (Note: There are 2 correct answers).
For the data shown here a Belt suspects the three grades are supplying the same results. Which statement(s) are true for proper Hypothesis Testing?
The higher the sigma level of a process the better the performance.
The use of station warning lights, tool boards and jidohka devices in the application of Lean accomplish which of these principles?
