Stephen J

The confidence interval is in for the range of response over time, while the prediction interval is for a particular / single event.

Z can act as a 'universal translator' between the different measures

A root cause is the lowest underlying factor for a particular issue/problem that are specific and actionable, and if addressed, will eliminate (or mitigate) the problem (e.g., improve performance). Root cause analysis should avoid diving down to very generic, universal causes such as "insufficient budget", "lack of training", "lack of experience"

To evaluate alignment of decision making relative to specific conditions

Predicting how long it will take to get reimbursement on expenses Predicting how long it will take to disposition requests for information