1. Data Types and Surveys – Identifying and classifying data types, such as qualitative and quantitative data, based on survey results in a fitness session. 2. Probability and Events – Calculating probabilities, including mutually exclusive events, and evaluating the likelihood of selecting various types of teachers and students. 3. Statistical Measures – Computing mean, median, range, and percentages based on data such as film ratings, teacher demographics, and product weights. 4. Correlation and Scatter Diagrams – Interpreting the correlation of bivariate data, analyzing scatter diagrams, and describing relationships between variables. 5. Sampling Methods – Evaluating systematic, stratified, and random sampling techniques, calculating sample sizes, and analyzing sample representativeness. 6. Business and Cost Analysis – Calculating price relatives, estimating costs, and comparing financial outcomes for different suppliers.