Your question is Ship Decision for Call Routing Test. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
You work on an IT and communications product and have run an A/B test on a new inbound call-routing experience. The treatment appears to improve the main conversion metric, and stakeholders want to know if the result is statistically significant enough to ship rather than just a noisy win.
How would you decide whether the result is statistically significant enough to ship? Walk through how you would define significance, practical impact, and guardrails before making the launch decision.