Design and sketch an average control chart

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Reference no: EM13336888

Q. In a manufacturing process, the following data is obtained after examining 10 samples, each of 6 items.

Sample number	1	2	3	4	5	6	7	8	9	10
Range	0.09	0.08	0.10	0.11	0.12	0.08	0.13	0.08	0.09	0.12

Using this data and the information given below, design and sketch an average control chart, showing upper and lower design limits, upper and lower action limits, and nominal value. Calculate and state the range control limit value.

Nominal size = 12.00 mm, tolerance ± 0.15 mm, Take A"_0.025 = 0.90 and D'_0.001 = 221.

Reference no: EM13336888

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