29. Consider the following three data sets, in which the variables of interest are x
commuting distance and y
commuting time. Based on a scatter plot and the values of s and r 2

, in which situation would simple linear regression be most (least)

effective, and why?

x 14 18 40 43 45 112 y 280 350 470 500 560 1200 x .115 .126 .183 .246 .282 .344 .355 .452 .491 .554 .651 y 334 342 355 363 365 372 381