Flawless session rate dropped 5 points in one region

Diagnose a problemHard

Problem. Flawless session rate in one region dropped about 5 points week over week. Session volume is up. Nobody has deployed anything to that region. Walk me through it.

Before you reveal: say your answer out loud, as if you were in the real interview — get your reasoning across clearly first. There is no single correct answer: reading what the interviewer is really after and defending your own thinking is what makes an answer strong.