Use this data that contains Part Quality data of three Suppliers. At = 0.05, does Part Quality
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Use this data that contains Part Quality data of three Suppliers. At = 0.05, does Part Quality depend on Supplier, or should the cheapest Supplier be chosen?
| Part Quality | |||
| Supplier | Good | Minor Defect | Major Defect |
| A | 100 | 5 | 8 |
| B | 160 | 10 | 4 |
| C | 150 | 7 | 11 |
HINT: Test independence of Supplier and Part Quality.
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