Daily Practice

Foundation

14th July 2024

5 questions · Foundation tier · 282 questions in this band

1
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?
2
Choropleth Maps
Give one limitation of choropleth maps.
3
Data Cleaning and Outliers (Foundation)
A data set of ages is: 12, 13, 12, 14, 13, 99. Which value is most likely an outlier?
4
Correlation and Causation (Foundation)
Two variables have a correlation coefficient close to 0. What does this suggest?
5
Risk (Foundation)
Using your answers to the previous question, find the relative risk for phone users compared with non-users, and interpret it.

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