The BCG case online includes data-heavy questions that test your ability to analyze business metrics. Candidates must quickly interpret charts, graphs, and tables to extract key insights. 

To improve, start by identifying key trends and outliers before diving into calculations. Prioritize relevant information and avoid getting overwhelmed by unnecessary data. Practicing with business cases and real-world datasets will sharpen your analytical skills and help you answer efficiently under time pressure. 

A structured approach to data interpretation will significantly boost your performance in the assessment.