← Maths, Ages 9 to 11
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07, Ages 9, 11
Data, Decisions & Probability
Reading data honestly: averages and spread, sample size and bias, misleading graphs, probability, risk and evidence-based decisions.
£2.99
What's inside
- Reading a survey and what the percentages really say
- Mean, median, mode and range compared
- Why an average can hide a very different spread
- Choosing the right average for the situation
- Percentages in surveys and equal proportions
- Small samples and why 80% can mean four children
- Sample size, bias and who you actually asked
- Leading questions and missing answer options
- Percentage increase, decrease and honest comparisons
- Misleading graphs, truncated axes and missing labels
- Correlation, cause and what else might explain it
- Probability as fractions, fair games, risk and reward
Coming soon
This pack is being finished. Join the letter and you'll hear the moment it's ready to download.