![A well-stirred sample](/sites/default/files/styles/medium/public/thumbnails/content-id-13895-icon.png?itok=L_YanUWo)
Probability distributions, expectation and variance
![A well-stirred sample](/sites/default/files/styles/medium/public/thumbnails/content-id-13895-icon.png?itok=L_YanUWo)
![Statistics - maths of real life](/sites/default/files/styles/medium/public/thumbnails/content-id-13764-icon.jpg?itok=1kDu3FeT)
list
Statistics - maths of real life
This pilot collection of resources is designed to introduce key statistical ideas and help students to deepen their understanding.
![Binomial conditions](/sites/default/files/styles/medium/public/thumbnails/content-id-13850-icon.png?itok=k65-20aP)
problem
Binomial conditions
When is an experiment described by the binomial distribution? Why do we need both the condition about independence and the one about constant probability?
![Binomial or not?](/sites/default/files/styles/medium/public/thumbnails/content-id-13892-icon.png?itok=Vu00kO2t)
![Can you find ... random variable edition](/sites/default/files/styles/medium/public/thumbnails/content-id-13847-icon.png?itok=m1J-666l)
problem
Can you find ... random variable edition
Can you create random variables satisfying certain conditions?
![What is a random variable, really?](/sites/default/files/styles/medium/public/thumbnails/content-id-13852-icon.png?itok=K0yfc4kO)
article
What is a random variable, really?
This article offers an advanced perspective on random variables for the interested reader.
![Into the exponential distribution](/sites/default/files/styles/medium/public/thumbnails/content-id-6141-icon.jpg?itok=mcTOpNO3)
problem
Into the exponential distribution
Get into the exponential distribution through an exploration of its
pdf.
![What's your mean?](/sites/default/files/styles/medium/public/thumbnails/content-id-6411-icon.jpg?itok=03KmE4tu)
problem
What's your mean?
Can you work out the means of these distributions using numerical
methods?
![Aim high](/sites/default/files/styles/medium/public/thumbnails/content-id-6437-icon.jpg?itok=4n0tAi22)
![Time to evolve 2](/sites/default/files/styles/medium/public/thumbnails/content-id-6354-icon.jpg?itok=lbusOrF7)
problem
Time to evolve 2
How is the length of time between the birth of an animal and the birth of its great great ... great grandparent distributed?