Daily Practice

Foundation

4th August 2025

5 questions · Foundation tier · 282 questions in this band

1
Correlation and Causation (Foundation)
What word describes a situation where one variable directly causes a change in another?
2
Risk (Foundation)
Express a risk of 1/20 as a percentage.
3
Skewness by Inspection
A data set has mean 12, median 12, mode 12. Describe its skew.
4
Percentiles
What percentage of data lies below the 40th percentile?
5
Crude Rate and Rates of Change
A country of population 2,000,000 records 3,000 deaths in a year. Find the crude death rate per 100,000 people.

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