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US Agriculture Value Added vs US Mobile Subscriptions

US Agriculture Value Added and US Mobile Subscriptions correlate at r = -0.56 over 25 years (1997–2021), p = 0.0038. With the time trend removed, r = +0.13. Interpret with caution.

Verdict: Interpret with caution. Much of the apparent link is driven by a shared time trend: r falls from -0.56 to 0.13 once the trend is removed.

Pearson r
-0.56
p-value
0.0038
Years compared (n)
25 (1997–2021)
95% confidence interval
-0.78 to -0.21
Correlation with the time trend removed
+0.13

Sources

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