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US Air Passengers Carried vs US Homicide Rate

US Air Passengers Carried and US Homicide Rate correlate at r = -0.74 over 31 years (1990–2023), p < 0.0001. With the time trend removed, r = -0.44. Holds up after detrending.

Verdict: Holds up after detrending. Statistically significant (p = < 0.0001) 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
-0.74
p-value
< 0.0001
Years compared (n)
31 (1990–2023)
95% confidence interval
-0.87 to -0.52
Correlation with the time trend removed
-0.44

Sources

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Correlation does not imply causation. How the verdict is worked out.