09. Mean, Median, Mode & Range

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9.01 Introducing 3 Averages and the Range

9.02a Finding the Mean

9.02b Finding the Median

9.02c Finding the Mode

9.02d Finding the Range

9.03a Which Average is Best? Ex.1 Shoe Shop

9.03b Which Average is Best? Ex.2 Small Company Wages

9.03c Which Average is Best? Ex.3 Heights of Trees

9.04 Comparing 2 Sets of Data using the Mean and Range

9.05 Finding the Mean from a Frequency Table

9.06 Estimating the Mean from a Grouped Frequency Table