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To monitor the response time of emergency response teams to calls from the local community, 3-sigma control charts for mean and range are constructed.
To monitor the response time of emergency response teams to calls from the local community, 3-sigma control charts for mean and range are constructed. Samples of 4 response times are used. Their means and ranges are calculated. After 10 such samples are collected the average range is 4.1 minutes. The upper and lower control limits are
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Business Statistics For Contemporary Decision Making
Authors: Black Ken
8th Edition
978-1118494769, 1118800842, 1118494768, 9781118800843, 978-1118749647
