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US Annual Working Hours per Worker vs Sunspot Number

US Annual Working Hours per Worker and Sunspot Number correlate at r = -0.03 over 81 years (1870–2023), p = 0.803. With the time trend removed, r = -0.31. Not statistically significant.

Verdict: Not statistically significant. With n = 81, this correlation isn't statistically significant (p = 0.803). It could easily be chance.

Pearson r
-0.03
p-value
0.803
Years compared (n)
81 (1870–2023)
95% confidence interval
-0.25 to 0.19
Correlation with the time trend removed
-0.31

Sources

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