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Table 1 Results of independent-samples t tests

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

Variable

Year built

N

Mean % change

P value (sig. at α = 0.05)

Local and county revenues

Turbines in 2010

18

59.8

< 0.001

No turbines in 2010

90

27.8

Student-teacher ratio

Turbines in 2010

18

5.3

0.889

No turbines in 2010

90

3.9

Per-student expenditures

Turbines in 2010

18

90.8

0.435

No turbines in 2010

90

88.2