A quality engineer at a textile manufacturer wants to determine the factors that affect the breaking strength of a synthetic fiber. The engineer samples the output of four production machines and three operators selected at random.
You can use this data to demonstrate Line Plot, With Symbols.
| Worksheet column | Description | 
|---|---|
| Machine | The machine on which the sample was produced: 1, 2, 3, or 4 | 
| Operator | The operator of the machine: 1, 2, or 3 | 
| Strength | The breaking strength of the fiber sample | 
| Temp | The temperature at which the sample was produced |