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Arctic Sea Ice Extent (September) vs US Inflation Rate
Arctic Sea Ice Extent (September) and US Inflation Rate correlate at r = +0.41 over 46 years (1979–2024), p = 0.0052. With the time trend removed, r = -0.07. Holds up after detrending.
Verdict: Holds up after detrending. Statistically significant (p = 0.0052) and the association survives trend removal (detrended r = -0.07). Correlation still isn't causation, but this one isn't an obvious artifact.
- Pearson r
- +0.41
- p-value
- 0.0052
- Years compared (n)
- 46 (1979–2024)
- 95% confidence interval
- 0.13 to 0.62
- Correlation with the time trend removed
- -0.07
Sources
- Arctic Sea Ice Extent (September) (million km²): NSIDC. Mean Arctic sea ice extent in September, the yearly minimum (NSIDC Sea Ice Index).
- US Inflation Rate (% annual): World Bank. US Inflation Rate (World Bank indicator FP.CPI.TOTL.ZG).
Related pairs
- Arctic Sea Ice Extent (September) vs US Mobile Subscriptions (r = -0.92)
- Arctic Sea Ice Extent (September) vs US Resident Patent Applications (r = -0.91)
- Arctic Sea Ice Extent (September) vs US Adult Obesity (r = -0.91)
- Arctic Sea Ice Extent (September) vs US Population (r = -0.90)
- Arctic Sea Ice Extent (September) vs US Marriage Rate (r = +0.90)
- Atmospheric CO₂ (Mauna Loa) vs Arctic Sea Ice Extent (September) (r = -0.89)
Correlation does not imply causation. How the verdict is worked out.