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US Dollar to Japanese Yen vs US Coal Consumption
US Dollar to Japanese Yen and US Coal Consumption correlate at r = -0.47 over 27 years (1999–2025), p = 0.014. With the time trend removed, r = -0.44. Holds up after detrending.
Verdict: Holds up after detrending. Statistically significant (p = 0.014) and the association survives trend removal (detrended r = -0.44). Correlation still isn't causation, but this one isn't an obvious artifact.
- Pearson r
- -0.47
- p-value
- 0.014
- Years compared (n)
- 27 (1999–2025)
- 95% confidence interval
- -0.72 to -0.11
- Correlation with the time trend removed
- -0.44
Sources
- US Dollar to Japanese Yen (JPY per USD): Frankfurter (ECB). Annual mean US Dollar to Japanese Yen exchange rate (European Central Bank reference rates).
- US Coal Consumption (TWh): Our World in Data. US Coal Consumption (Our World in Data: Coal).
Related pairs
- US Coal Consumption vs US R&D Expenditure (r = -0.93)
- US Coal Consumption vs US Wind Power Generation (r = -0.90)
- US Dollar to British Pound vs US Coal Consumption (r = -0.87)
- US Coal Consumption vs US Solar Energy Consumption (r = -0.85)
- US Alcohol Consumption vs US Coal Consumption (r = -0.82)
- US Coal Consumption vs US Health Expenditure (r = -0.80)
Correlation does not imply causation. How the verdict is worked out.