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A manufacturing engineer ran an experiment to determine how several conditions affect the thickness of a coating substance. Three different operators ran the experiment twice. Each operator measured the thickness twice for each time and setting.
Because the design is balanced, you can use this data to demonstrate Balanced ANOVA.
| Worksheet column | Description | Variable type |
|---|---|---|
| Thickness | The thickness of the coating | Response |
| Time | The time of day that the experiment was conducted: 1 = morning, 2 = afternoon | Factor |
| Operator | The operator who measured the thickness: 1, 2, or 3 | Factor |
| Setting | The machine setting: 35, 44, or 52 | Factor |
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