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US GDP per Capita vs US Secondary School Enrollment
US GDP per Capita and US Secondary School Enrollment correlate at r = +0.71 over 35 years (1971–2022), p < 0.0001. With the time trend removed, r = -0.40. Direction flips without the trend.
Verdict: Direction flips without the trend. The raw correlation is 0.71, but once each series' time trend is removed it becomes -0.40. The year-to-year movements run the opposite way to the long-run trends, so the headline number is misleading.
- Pearson r
- +0.71
- p-value
- < 0.0001
- Years compared (n)
- 35 (1971–2022)
- 95% confidence interval
- 0.49 to 0.84
- Correlation with the time trend removed
- -0.40
Sources
- US GDP per Capita (USD): World Bank. US GDP per Capita (World Bank indicator NY.GDP.PCAP.CD).
- US Secondary School Enrollment (% gross): World Bank. US Secondary School Enrollment (World Bank indicator SE.SEC.ENRR).
Related pairs
- US GDP (current US$) vs US GDP per Capita (r = +1.00)
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- Atmospheric Methane (global) vs US GDP per Capita (r = +0.98)
- US GDP per Capita vs US Resident Patent Applications (r = +0.97)
- US GDP per Capita vs US Population (r = +0.97)
- US Median Age vs US GDP per Capita (r = +0.97)
Correlation does not imply causation. How the verdict is worked out.