Trend
A consistent pattern, such as a gradual increase or decrease, in the value of a process variable over a period of time. On a control chart, a pattern of instability clearly showing a gradual upward or downward direction.
A consistent pattern, such as a gradual increase or decrease, in the value of a process variable over a period of time. On a control chart, a pattern of instability clearly showing a gradual upward or downward direction.
