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US Agriculture Value Added vs US Cereal Yield
US Agriculture Value Added and US Cereal Yield correlate at r = -0.62 over 25 years (1997–2021), p = 0.0011. With the time trend removed, r = -0.14. Interpret with caution.
Verdict: Interpret with caution. Much of the apparent link is driven by a shared time trend: r falls from -0.62 to -0.14 once the trend is removed.
- Pearson r
- -0.62
- p-value
- 0.0011
- Years compared (n)
- 25 (1997–2021)
- 95% confidence interval
- -0.81 to -0.29
- Correlation with the time trend removed
- -0.14
Sources
- US Agriculture Value Added (% of GDP): World Bank. US Agriculture Value Added (World Bank indicator NV.AGR.TOTL.ZS).
- US Cereal Yield (kg per hectare): World Bank. US Cereal Yield (World Bank indicator AG.YLD.CREL.KG).
Related pairs
- Atmospheric CO₂ (Mauna Loa) vs US Cereal Yield (r = +0.98)
- US Cereal Yield vs US Population (r = +0.97)
- US Cereal Yield vs US GDP per Capita (r = +0.97)
- US Cereal Yield vs US GDP (current US$) (r = +0.96)
- US Adult Obesity vs US Cereal Yield (r = +0.95)
- US Median Age vs US Cereal Yield (r = +0.95)
Correlation does not imply causation. How the verdict is worked out.