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6
Total18 shared over 3 values.
Class 6 · English Medium · Cambridge · Mathematics
Data, probability and written reasoning
Describe a small dataset and a simple chance model.
About this lesson and its coverage
Original Kidemy Class 6 progression. This level has its own text, examples and questions. Curriculum versions share the progression; complete board-specific coverage still needs specification matching and additional material.
Learn the idea
The mean shares a total equally; the median is the middle ordered value. Probability compares favourable outcomes with all equally likely outcomes in a model. A small dataset describes those observations, not every possible population.
Worked example
For 2,4,9 the mean is 5 and median4. A fair die has6 equally likely faces; P(6)=1/6.
- Identify the quantities and restrictions.
- Show a method with units or symbols.
- Check and explain the result.
Your written practice
Show your working on paper. Check your answer, then choose Next.
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5
Order1,2,5,6,8.
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1/3
Two of 6 equally likely outcomes.
Write in your own words. A guardian or teacher should review this response.
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The median depends on the middle position in order, not the original listing.
Explain the position.
Write in your own words. A guardian or teacher should review this response.
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Each roll is a chance event; equal probabilities do not impose a fixed sequence.
Explain probability as a long-run model, not a schedule.
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Notebook challenge, sources and further study
Apply the idea
Record or invent five labelled observations and explain their mean and median.
Review with a guardian or teacher
- Use the stated evidence or givens.
- Show reasoning rather than only a result.
- Review and explain one correction.
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