Daily Practice

Foundation

6th March 2025

5 questions · Foundation tier · 282 questions in this band

1
Population Pyramids
On a population pyramid, which axis shows the age groups?
2
Choropleth Maps
What is the purpose of the key on a choropleth map?
3
Data Cleaning and Outliers (Foundation)
Explain why the median might be a more appropriate average to use on a data set with an outlier, instead of removing the outlier first.
4
Correlation and Causation (Foundation)
A study finds a positive correlation between shoe size and reading ability in primary school children. Does having big feet cause better reading?
5
Risk (Foundation)
In a trial, 3 out of 150 patients taking a new drug had side effects. Write this risk in '1 in n' form.

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