| EYEBALL YOUR
DATA |
Put it in Excel Sort it Round it off Tabulate it Graph by frequency Craph by time X-Y scatter graph |
| PUT THE FACTS ON THE TABLE
|
Categories versus numbers Frequency Mean vs median (and mode) |
| DISPERSION |
Ordinary Diversity vs. Outliers Quartiles & Interquartile Range Standard Deviation |
| OUTLIERS: individual
versus
group |
Tukey test for Outlines Problem, opportunity or glitch |