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प्रश्न
Choose the correct alternative:
R is calculated using
विकल्प
xmax – xmin
xmin – xmax
`bar"X"_"max" - bar"X"_"min"`
`\overset{==}{"X"}_"max" - \overset{==}{"X"}_"min"`
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उत्तर
xmax – xmin
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संबंधित प्रश्न
Define chance cause
What do you mean by product control?
Define R chart
The following data show the values of sample means and the ranges for ten samples of size 4 each. Construct the control chart for mean and range chart and determine whether the process is in control.
| Sample Number | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| `bar"X"` | 29 | 26 | 37 | 34 | 14 | 45 | 39 | 20 | 34 | 23 |
| R | 39 | 10 | 39 | 17 | 12 | 20 | 05 | 21 | 23 | 15 |
In a production process, eight samples of size 4 are collected and their means and ranges are given below. Construct mean chart and range chart with control limits.
| Samples number | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| `bar"X"` | 12 | 13 | 11 | 12 | 14 | 13 | 16 | 15 |
| R | 2 | 5 | 4 | 2 | 3 | 2 | 4 | 3 |
Choose the correct alternative:
Variations due to natural disorder is known as
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The assignable causes can occur due to
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A typical control charts consists of
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`bar"X"` chart is a
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The upper control limit for `bar"X"` chart is given by
