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Construction of Mean also Range chart to study and control the process.

Great Sounds Inc produces speakers all through North America. Great Sounds attempts to produce speakers with 200 Watts of output power. To study also 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

Do any of the selected samples appear to be out of the control limits? describe.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M922094

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