Probability distributions, expectation and variance

There are 16 NRICH Mathematical resources connected to Probability distributions, expectation and variance
Data matching
problem

Data matching

Age
14 to 18
Challenge level
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Use your skill and judgement to match the sets of random data.
Exponential intersection
problem

Exponential intersection

Age
16 to 18
Challenge level
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Can the pdfs and cdfs of an exponential distribution intersect?
Statistics - maths of real life
list

Statistics - maths of real life

Age
14 to 18
Challenge level
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This pilot collection of resources is designed to introduce key statistical ideas and help students to deepen their understanding.