Variation: The most recent point is showing common-cause variation, meaning that this metric is not changing in a statistically significant way.
Assurance: This metric can be expected to mostly fail its target.
Combined comment: In light of the common-cause variation, combined with expected failure of target, something needs to change. Consider designing some improvement activity, or altering the target level (if appropriate and compatible with business priorities).
For example:
Variation: The most recent point is showing common-cause variation, meaning that this metric is not changing in a statistically significant way.
Assurance: This metric can be expected to mostly fail its target.
Combined comment: In light of the common-cause variation, combined with expected failure of target, something needs to change. Consider designing some improvement activity, or altering the target level (if appropriate and compatible with business priorities).