A group of friends decided to start their own venture capital firm with the resources and abilities they have. Jessie is really good at applying formulas to solve complex problems that involve numbers. Teddy excels at combining specific data into general conclusions. Ralf is able to study stock market data and predict how the market fluctuations will affect the industry. These employees believe that they can build a great future and they are working hard toward their goals. From the information given, it can be concluded that Jessie has a high ability in the area of _____.