GCSE Secondary Maths Age 13-17 - Probability & Statistics: Cumulative Frequency - Explained

The video tutorial explains how to interpret and plot a cumulative frequency graph using a given table of data. It covers the steps to plot points using the upper bound of age intervals and discusses the choice between drawing a smooth curve or a polygon. The tutorial also evaluates a claim about the percentage of workers older than 65 using the graph, demonstrating how to calculate percentages and verify claims. The importance of reading questions carefully and understanding the marking criteria is emphasized.

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