Question: A Quality Analyst wants to construct a control chart for determining whether errors in bank transactions are under control. She looked at samples of 1000
A Quality Analyst wants to construct a control chart for determining whether errors in bank transactions are under control. She looked at samples of 1000 transactions each week, for four weeks in a row. A transaction was considered defective, if the analyst detected any error in the transaction. Week Total Defectives 1 50 2 27 3 15 4 35 What are the upper and lower control limits for this control chart, using 3 sigma control limits? .0364 and .2757 .0428 and .0206 None of the other choices are correct .0487 and .0153 .3495 and .2905
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