Daily Practice

Foundation

31st May 2026

5 questions · Foundation tier · 282 questions in this band

1
Time Series
A time series of monthly temperatures shows one May with a temperature far below every other May on record. What might this value be called?
2
Population Pyramids
On a population pyramid, which axis shows the age groups?
3
Choropleth Maps
What is the purpose of the key on a choropleth map?
4
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.
5
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?

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