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A dimension 25mm is to be produced on a component. For inspection, four batches of 3 components each are taken.
written 6.3 years ago by
h.p3576
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modified 2.1 years ago
by
sagarkolekar
★ 11k
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A dimension 25mm is to be produced on a component. For inspection, four batches of 3 components each are taken. The observation made are given below:
| Batch | A | B | C | D |
|---|---|---|---|---|
| Component 1 | 25.10 | 24.60 | 25.41 | 24.50 |
| Component 2 | 24.90 | 25.20 | 25.15 | 24.94 |
| Component 3 | 25.30 | 24.90 | 25.60 | 24.93 |
If the standard deviation of the dimension is 0.280 Plot the X chart and R chart. Take $A_2 = 0.58, D_3= 0, D_4= 2.11$
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