Meta Data Scientist interview questions

Question: Several years ago FB was considering building a product around High Schools. At the time we had 300 million users fill out their current high school. How would you determine if the data is real? Product Interpretation Questions: How would you measure the health of the Newsfeed product? Should we double the amount of ads in Newsfeed? Technical Analysis Based on table provided: What stat would you pull to get a high level view of feed and engagement? How would you size the revenue opportunity for sponsored posts? How would you redo the sizing for revenue on sponsored posts? How would you quantify if a sponsored post is creating a poor experience for users? Quantitative Analysis