Final answer:
Reports are typically categorized into analytical and informational types, with analytical reports focusing on data analysis for decision-making and informational reports presenting facts to inform an audience.
Step-by-step explanation:
Most reports can be classified into two functional categories: analytical reports and informational reports. Analytical reports, such as lab reports, research reports, and proposals, focus on analyzing and interpreting data to make decisions or solve problems. On the other hand, informational reports compile data and facts with the primary purpose of informing an audience without necessarily calling for action or drawing conclusions.