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Develop and R chart

Great Sounds Inc produces speakers all through North America. Great Sounds attempts to produce speakers with 200 Watts of output power. To study as well as control the manufacturing process, 10 samples each containing three speakers, are selected from different shifts of operations. The outcomes are reported below.

Sample	Speakers Actual output power
	Test 1	Test 2	Test 3
1	200	202	204
2	198	203	201
3	201	200	199
4	198	203	205
5	198	200	203
6	200	200	210
7	199	199	202
8	202	200	220
9	210	215	200
10	200	195	200

Develop ^-X as well as R charts

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M922091

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