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US Homicide Rate vs US Milk Consumption per Person

US Homicide Rate and US Milk Consumption per Person correlate at r = +0.60 over 31 years (1990–2023), p = 3.9e-4. With the time trend removed, r = +0.06. 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 0.06 — the relationship is probably coincidental, not causal.

Pearson r
+0.60
p-value
3.9e-4
Years compared (n)
31 (1990–2023)
95% confidence interval
0.31 to 0.79
Correlation with the time trend removed
+0.06

Sources

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