Daily Practice

Foundation

3rd September 2026

5 questions · Foundation tier · 282 questions in this band

1
Risk (Foundation)
Express a risk of 1/20 as a percentage.
2
Skewness by Inspection
A data set has mean 12, median 12, mode 12. Describe its skew.
3
Percentiles
What percentage of data lies below the 40th percentile?
4
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.
5
Spearman's Rank Interpretation
The Spearman's rank correlation coefficient between hours spent watching TV and test score is rs = -0.4. Describe the strength and direction of the correlation.

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