The document outlines the aims and objectives of a lesson which are to introduce students to different types and classifications of data. All students should be able to identify primary and secondary data types and at least 3 variables, while some students should be able to define all data types and 5 variables or provide sporting examples of each data type and variable. Students will complete a data collection sheet and work in groups to explain how primary and secondary data could answer given research questions. Variables are defined as things that can change and examples are provided.