Daily Practice

Foundation

8th September 2024

5 questions · Foundation tier · 282 questions in this band

1
Scatter Graphs and Line of Best Fit
Explain why estimating a y-value for x = 50 would be unreliable if all the plotted data only covers x-values from 0 to 20.
2
Time Series
Explain why using a time series trend to estimate a value many years into the future is less reliable than estimating one year ahead.
3
Population Pyramids
Country A's pyramid has a wide base and narrow top; Country B's has a narrow base and a wide middle/top. Which country most likely has the higher birth rate?
4
Choropleth Maps
Give one limitation of choropleth maps.
5
Data Cleaning and Outliers (Foundation)
A data set of ages is: 12, 13, 12, 14, 13, 99. Which value is most likely an outlier?

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