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Table 2 Results of independent-samples Mann-Whitney U tests

From: Impacts of wind power development on Oklahoma’s public schools

Null hypothesis P value (sig. at α = 0.05)
The distribution of percentage change in local and county revenue is the same across districts with and without turbines in 2010. 0.001
The distribution of percentage change in student-teacher ratios is the same across districts with and without turbines in 2010. 0.581
The distribution of percentage change in per-student expenditures is the same across districts with and without turbines in 2010. 0.692