For a recent General Social Survey, a prediction equation relating Y = job satisfaction (four ordered categories; 1 = the least satisfied) to the subject’s report of x 1 = earnings compared with...

For a recent General Social Survey, a prediction equation relating Y = job satisfaction (four ordered categories; 1 = the least satisfied) to the subject’s report of x₁
= earnings compared with others with similar positions (four ordered categories; 1 = much less, 4 = much more), x₂
= freedom to make decisions about how to do job (four ordered categories; 1 = very true, 4 = not at all true), and x3 = work environment allows productivity (four ordered cat