Utilization Rate Calculation This topic has 0 replies, 1 voice, and was last updated 23 years, 2 months ago by Monty. Viewing 1 post (of 1 total) Author Posts 23rd August 2001 at 22:22 #11660 MontyGuest I am wondering when a utilization Calc uses the term “observed time” in the numerator. If anyone could tell me what that means? Author Posts Viewing 1 post (of 1 total) The forum ‘Call center’ is closed to new topics and replies.