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US Bank Lending Interest Rate vs US College Enrollment

US Bank Lending Interest Rate and US College Enrollment correlate at r = -0.61 over 38 years (1971–2021), p < 0.0001. With the time trend removed, r = -0.09. Interpret with caution.

Verdict: Interpret with caution. Much of the apparent link is driven by a shared time trend: r falls from -0.61 to -0.09 once the trend is removed.

Pearson r
-0.61
p-value
< 0.0001
Years compared (n)
38 (1971–2021)
95% confidence interval
-0.78 to -0.36
Correlation with the time trend removed
-0.09

Sources

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