A random pattern of errors within the limits of a control chart signals a need for corrective action.
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Q30: Correlation measures the strength and direction of
Q36: Positive forecast errors,the case when the forecast
Q37: Trend-Adjusted Exponential Smoothing is also called double
Q39: A seasonal relative (or seasonal indexes)is expressed
Q40: A simple moving average assigns equal weight
Q42: The two general approaches to forecasting are:
A)mathematical
Q44: A control chart involves setting control limits
Q45: A proactive approach to forecasts might involve
Q46: The square root of MSE is used
Q51: The use of a control chart assumes
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