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US Dollar to British Pound vs US Cereal Yield
US Dollar to British Pound and US Cereal Yield correlate at r = +0.68 over 26 years (1999–2024), p = 1.4e-4. With the time trend removed, r = +0.05. Likely spurious (shared time trend).
Verdict: Likely spurious (shared time trend). Both series mostly just trend over time. After removing that trend the correlation collapses to 0.05 — the relationship is probably coincidental, not causal.
- Pearson r
- +0.68
- p-value
- 1.4e-4
- Years compared (n)
- 26 (1999–2024)
- 95% confidence interval
- 0.39 to 0.84
- Correlation with the time trend removed
- +0.05
Sources
- US Dollar to British Pound (GBP per USD): Frankfurter (ECB). Annual mean US Dollar to British Pound exchange rate (European Central Bank reference rates).
- US Cereal Yield (kg per hectare): World Bank. US Cereal Yield (World Bank indicator AG.YLD.CREL.KG).
Related pairs
- Atmospheric CO₂ (Mauna Loa) vs US Cereal Yield (r = +0.98)
- US Cereal Yield vs US Population (r = +0.97)
- US Cereal Yield vs US GDP per Capita (r = +0.97)
- US Cereal Yield vs US GDP (current US$) (r = +0.96)
- US Adult Obesity vs US Cereal Yield (r = +0.95)
- US Median Age vs US Cereal Yield (r = +0.95)
Correlation does not imply causation. How the verdict is worked out.