Quantitative Analysis for Management, 13/e

Long description

The horizontal axis is labelled Time with no increments identified. The vertical axis is labelled MADs and identified increments are, ascending, negative, zero, positive. A horizontal line extends the length of the graph from each of these three incremental points, and a data line is plotted out.

• The horizontal line extending from the negative sign on the vertical axis is labelled Lower Control Limit.

• The horizontal line extending from the positive sign on the vertical axis is labelled Upper Control Limit.

• A key titled Tracking Signals identifies the area between the lower Control limit and upper control limit as the acceptable range.

• The data line begins at zero MADs on the vertical axis. It moves from left to right in a gentle ...