Question
An industrial engineer is investigating the effect of four assembly methods (A, B, C, and D)...
An industrial engineer is investigating the effect of four assembly methods (A, B, C, and D) on the assembly time for a color television component. Four operators are selected for the study. Furthermore, the engineer knows that each assembly method produces such fatigue that the time required for the last assembly may be greater than the time required for the first, regardless of the method. To account for this source of variability, the engineer uses the design below.
explain the procedure of getting answers step-by-step.
|
Operator |
||||
|
Assembly order |
1 |
2 |
3 |
4 |
|
1 |
C=10 |
D=14 |
A=7 |
B= 8 |
|
2 |
B=7 |
C=18 |
D=11 |
A=8 |
|
3 |
A=5 |
B=10 |
C=11 |
D=9 |
|
4 |
D=10 |
A= 10 |
B=12 |
C=14 |
- What test is appropriate for this design? Why?
- Analyze the data from this experiment using alpha=0.05.
- Draw appropriate conclusions.
- check the assumptions in this experiment.
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