Class 8 — Multi-line graphs, advanced percentages, and Olympiad-level reasoning

Read and compare multiple data series on one graph.

Advanced percentage work: change, composition, and compound growth.

Draw insights by comparing three or more variables at once.

Move from data to evidence-based insights.

Calculate and interpret measures of central tendency.

Answer questions requiring data from multiple charts at once.

Determine whether given data is enough to answer a question.