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.

← Back to the list · from Choosing and reporting summaries

Practice, difficulty 1 of 3

Match the summary to the variable

Not started

Choose the main summary you would report for each variable.

Payment method of each basket
Basket value (SAR), right-skewed
Exam scores, roughly symmetric with no outliers
Flight departure delay (minutes), with a long right tail
Department of each employee
10 km finish times, roughly bell-shaped
Performance rating on a 1–5 scale