Summarize what these visuals are telling us. After that, outline the exact data transformations needed to build cohort charts that reveal the root cause of the drops.

Interview question asked to Data Scientists interviewing at Anaplan, Intuit, Deliveroo and other companies. Original question asked: Summarize what these visuals are telling us. After that, outline the exact data transformations needed to build cohort charts that reveal the root cause of the drops..