Tim Coote ← Tell Billmonitor what you think My feedback 1 result found Be more selective with your data, 3 months is not indicative of useage over 12/18/24 month contract 47 votes Vote Vote Vote Vote We're glad you're herePlease sign in to leave feedback Signed in as (Sign out) Close Close 1 vote 2 votes 3 votes Remove votes You have left! (?) (thinking…) 7 comments · billmonitor · Delete… · Admin → How important is this to you? Not at all You must login first! Important You must login first! Critical You must login first! We're glad you're herePlease sign in to leave feedback Signed in as (Sign out) Close Close Tim Coote supported this idea · May 26, 2011 An error occurred while saving the comment Tim Coote commented · May 26, 2011 · Edit… · Delete… I just made almost exactly the same point. For a random error distribution, 3 isn't enough, but I suspect that most billing patterns follow cycles and so are not randomly distributed. Just sampling from part of one year is dangerous. Save Submitting...
Tim Coote
I just made almost exactly the same point. For a random error distribution, 3 isn't enough, but I suspect that most billing patterns follow cycles and so are not randomly distributed. Just sampling from part of one year is dangerous.