Question: Problem: Crimping the hoses at a manufacturing unit is intended to average 10 minutes each. Five samples of four observations each have been taken. Use
Problem: Crimping the hoses at a manufacturing unit is intended to average 10 minutes each. Five samples of four observations each have been taken. Use the sample data below in conjunction with table I to answer the following questions. a) construct upper and lower control limits for sample mean control chart. b) construct upper and lower control limits for sample range control chart. c) Do the results suggest that the process is in control? TABLE-I
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