Daily Practice

Foundation

19th June 2026

5 questions · Foundation tier · 282 questions in this band

1
Population Pyramids
A pyramid has a wide base and a narrow top. What does this suggest about the population?
2
Choropleth Maps
A choropleth map of rainfall uses two different hues (for example yellow to red) rather than one hue getting darker. Why can this style of shading be a problem?
3
Data Cleaning and Outliers (Foundation)
Give one reason you might choose to keep an outlier in a data set rather than remove it.
4
Correlation and Causation (Foundation)
A scatter graph shows that as temperature increases, the number of hot drinks sold decreases. What type of correlation is this?
5
Risk (Foundation)
Group A has a risk of 0.08 of an event happening; Group B has a risk of 0.02. Find the relative risk of Group A compared with Group B.

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