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US Inflation Rate vs US College Enrollment

US Inflation Rate and US College Enrollment correlate at r = -0.66 over 39 years (1971–2022), p < 0.0001. With the time trend removed, r = -0.51. Holds up after detrending.

Verdict: Holds up after detrending. Statistically significant (p = < 0.0001) and the association survives trend removal (detrended r = -0.51). Correlation still isn't causation, but this one isn't an obvious artifact.

Pearson r
-0.66
p-value
< 0.0001
Years compared (n)
39 (1971–2022)
95% confidence interval
-0.81 to -0.44
Correlation with the time trend removed
-0.51

Sources

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