A Quality Analyst wants to construct a control chart for determining whether errors in bank transactions are under contr
Posted: Mon May 30, 2022 5:30 pm
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 is the standard deviation of
the sample proportions of defective transactions? None of the other
choices are correct .0148 .0500 .0025 .0056
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 is the standard deviation of
the sample proportions of defective transactions? None of the other
choices are correct .0148 .0500 .0025 .0056