Statistics Quest

Practice

Practise until it sticks

Choose a topic, a skill or a difficulty. Calculation exercises have new versions with fresh numbers once you have solved them, so you can practise the method rather than memorise an answer.

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Practice, difficulty 1 of 3

Name the shape

Not started

For each variable, choose the shape you would expect its distribution to have.

Household income in a country
Adult height of women in one country
Scores on a very easy test where most people score 90–100%
Time customers wait on hold at a call centre
Age at death in a country with high life expectancy
Daily maximum temperature in one city during one summer month