Simple linear regression results:

(including educ = 24) income = 0.6206306 + 1.7196057 educ Sample size: 19 R (correlation coefficient) = 0.4805 R-sq = 0.23084049

Simple linear regression results:

(excluding educ = 24)

income = 2.8259108 + 1.5549754 educ Sample size: 18 R (correlation coefficient) = 0.3781 R-sq = 0.14298497