A regression example with response yearly upkeep of a home and the predictor value of home; see Bowerman et al. (2005) and Exercise 4.9.8 of Kloke and McKean (2014).
Forty observations on two variables.
annual upkeep expenditure of home (y)
value of the home (x)
Bowerman, B.L., O'Connell, R.T., and Koehler, A.B. (2005), Forecasting, time series, and regression: An applied approach, Australia: Thomson.
Kloke, J. and McKean, J.W. (2014), Nonparametric statistical methods using R, Boca Raton, FL: Chapman-Hall.