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infoWhy this? Averages summarise a dataset through a representative or typical value, making patterns and comparisons easier to communicate. Understanding how different averages behave helps us choose suitable summaries and recognise when a reported average may be misleading.

scheduleWhy now? After exploring data visually, we move to numerical summaries of its central tendency, including estimates from grouped data. This establishes the idea of a typical value before the next unit examines how much observations vary around it.