Daily Practice

Foundation

3rd August 2025

5 questions · Foundation tier · 282 questions in this band

1
Scatter Graphs and Line of Best Fit
A line of best fit passes through the points (0, 4) and (10, 24). Find its gradient.
2
Time Series
A time series shows sales peaking every December for five years in a row. What is this repeating pattern called?
3
Population Pyramids
In a pyramid, the bars for ages 65+ are unusually long compared with younger age bands. Give one possible reason.
4
Choropleth Maps
A choropleth map uses class intervals of 0-10, 10-30, 30-40 and 40-90. Why might this be misleading?
5
Data Cleaning and Outliers (Foundation)
A data set of test scores out of 100 is: 55, 60, 58, 62, 59, -10. Which value must be an error, and why?

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