ISOM 351 Exam 2
True - Answer-Decreasing the number of periods in a moving average will make the forecast more
sensitive to recent changes.
True - Answer-The tracking signal is computed as RSFE/MAD.
If the most recent periods are too heavily weights, the forecast might overreact. - Answer-Which of the
following is true concerning the weighted moving average?
The MAD gives no indication of magnitude. - Answer-Which of the following statements regarding
forecast error is false?
less than the previous forecast - Answer-When using the exponential smoothing forecasting method, if
alpha = 1.0, the next forecast will be...
True - Answer-P-charts are commonly used when dealing with attributes data to monitor the quality of a
manufacturing process.
False - Answer-Process capability (Cp) measures the capability of the process to meet the upper and
lower control limits of the X-bar and R charts.
True - Answer-If a process has a process capability index (Cpk) equal to 1.00, then at least 99.7% of the
process output should be on-spec.
True - Answer-Decreasing the number of periods in a moving average will make the forecast more
sensitive to recent changes.
True - Answer-The tracking signal is computed as RSFE/MAD.
If the most recent periods are too heavily weights, the forecast might overreact. - Answer-Which of the
following is true concerning the weighted moving average?
The MAD gives no indication of magnitude. - Answer-Which of the following statements regarding
forecast error is false?
less than the previous forecast - Answer-When using the exponential smoothing forecasting method, if
alpha = 1.0, the next forecast will be...
True - Answer-P-charts are commonly used when dealing with attributes data to monitor the quality of a
manufacturing process.
False - Answer-Process capability (Cp) measures the capability of the process to meet the upper and
lower control limits of the X-bar and R charts.
True - Answer-If a process has a process capability index (Cpk) equal to 1.00, then at least 99.7% of the
process output should be on-spec.
