To study and control the manufacturing process

Reference no: EM1317639

Develop and R chart

Great Sounds Inc. produces speakers throughout North America. Great Sounds tries to produce speakers with 200 Watts of output power. To study and control the manufacturing process, 10 samples, each containing three speakers, are selected from different shifts of operations. The results 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 and R charts.

Do any of the selected samples seem to be out of the control limits? Describe.

Reference no: EM1317639

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