Given a forecast model has been tracking monthly demand over time, The tracking signal for the current period is zero States what?
The operations manager of a make-to-order (make-to-stock) operation should be primarily concerned with?
Takt time refers to:
What is the first step that should be taken if an observation falls below the lower control limit on a control chart?
Which type of process would be least (most) likely to produce goods for inventory rather than for a specific customer request?
Process capability (acceptance sampling) is:
A process is out of control (or in control) when:
When using simple exponential smoothing with an alpha of .10 to model a demand pattern which exhibits an upward trend:
When does productivity increase (decrease)?
For this process, the Cp index would be: (referring to a diagram or set of data)
Over the long term, which of the following forecasting models will likely require carrying the least (the most) amount of data?
Which of the following is an implicit (explicit) component of a service delivery system?
Suppose that you have calculated the control limits for a p-chart (c-hart, r chart, x-bar chart) to be the following: (referring to some data). You can conclude that
Each day for two workweeks (10 days total), George weighs x bags from that day’s production. If the average of the means is y oz. and the average range is z oz., what is the lower control limit (center line, upper control limit) for an x-bar chart for this process?
Decreasing (increasing alpha) in a simple exponential forecasting model: