A company has a MAD of 10.Its wants to have a 99.7 percent control limits on its forecasting system.It's most recent tracking signal value is 31.What can the company conclude from this information?
A)The forecasting model is operating acceptably
B)The forecasting model is out of control and needs to be corrected
C)The MAD value is incorrect
D)The upper control value is less than 20
E)It is using an inappropriate forecasting methodology

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The Answer of A company has a MAD of 10.Its wants to have a 99.7 percent control limits on its forecasting system.It's most recent tracking signal value is 31.What can the company conclude from this information?
A)The forecasting model is operating acceptably
B)The forecasting model is out of control and needs to be corrected
C)The MAD value is incorrect
D)The upper control value is less than 20
E)It is using an inappropriate forecasting methodology

A Company Has a MAD of 10