A regression example with response energy output in watts and the predictor temperature difference in degrees Kevin; see Devore (2012) and Exercise 4.9.11 of Kloke and McKean (2014).
Twenty-four observations on two variables.
Energy output in watts
Temperature difference in K
Devore, J. (2012), Probaility and statistics for engineering and the sciences, 8th ed., Boston: Brooks/Cole.
Kloke, J. and McKean, J.W. (2014), Nonparametric statistical methods using R, Boca Raton, FL: Chapman-Hall.