MARJ
Data & Analytical Thinking
DT-01L1
VIIData & Analytical Thinkingchecked 91 days ago14 min read

Reading Data: Mean, Median, Spread — and the Lie of the Average

You'll walk away with

Three real datasets summarised correctly — mean, median and spread — with the misleading summary identified in each

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  1. 01The average is a compression, and compression loses things
  2. 02Part one — where's the middle?
  3. 03The lie of the average, made concrete
  4. 04Part two — how spread out is it? (the part everyone skips)
  5. 05Part three — what shape does it make?
  6. 06Percentiles — the summary that actually respects the spread
  7. 07What this means for you
  8. 08Try it: summarise three real datasets honestly (30 min)
  9. ✓Check yourself — the quiz
  10. ▶The video and audio versions
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Got the output?

Three real datasets summarised correctly — mean, median and spread — with the misleading summary identified in each

Mark it when you've got the output in hand.
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