Wayfair Business Analyst interview questions

I received the video interview in a week after I submitted the application. After three weeks, the HR emailed me that they don't have headcounts but they still have onsite on other people.

Contacted me after a few weeks for google hang out interview, 45 minute casing, 1 minute of talking about myself. Case was about marketing/pricing, also some vague statistics/experiment questions (how would you design an experiment to solve a problem)