GCSE Stats - 01.03 Primary Secondary Data - Statistics

This GCSE Statistics lesson on primary and secondary data enables students to understand the differences between data types and their uses in statistical investigations. Building on prior knowledge of data classification, the lesson introduces clear definitions of primary and secondary data, alongside key concepts such as population, sample, and sampling frame. Students develop their understanding through recap activities, real-life examples, and structured tasks that explore how data is collected and interpreted. The lesson also examines the advantages and disadvantages of each data type, helping learners evaluate reliability, relevance, and potential bias. With a range of applied activities and exam-style practice, this resource supports students in developing confidence with data collection methods and statistical reasoning.