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Arctic Sea Ice Extent (September) vs US Infant Mortality
Arctic Sea Ice Extent (September) and US Infant Mortality correlate at r = +0.82 over 46 years (1979–2024), p < 0.0001. With the time trend removed, r = -0.20. 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 -0.20 — the relationship is probably coincidental, not causal.
- Pearson r
- +0.82
- p-value
- < 0.0001
- Years compared (n)
- 46 (1979–2024)
- 95% confidence interval
- 0.70 to 0.90
- Correlation with the time trend removed
- -0.20
Sources
- Arctic Sea Ice Extent (September) (million km²): NSIDC. Mean Arctic sea ice extent in September, the yearly minimum (NSIDC Sea Ice Index).
- US Infant Mortality (per 1,000 live births): World Bank. US Infant Mortality (World Bank indicator SP.DYN.IMRT.IN).
Related pairs
- US Electricity Generation vs US Infant Mortality (r = -0.97)
- US Nuclear Power Generation vs US Infant Mortality (r = -0.97)
- US Adult Obesity vs US Infant Mortality (r = -0.97)
- US Infant Mortality vs US Life Expectancy (r = -0.96)
- US Infant Mortality vs US Internet Users (r = -0.96)
- US Internet Usage vs US Infant Mortality (r = -0.96)
Correlation does not imply causation. How the verdict is worked out.