"Robert J. MacG. Dawson" wrote: > My first reaction is that these data are a hopelessly oversimplified > summary of a very complicated data set. The full data set is a set of > proportional time-series, probably highly autocorrelated and > cross-correlated. Without knowing how much vacancy rates fluctuate over > time, you cannot say which of these differences are significant. You > would also need to know market size (as a time series) for each region, > etc.
Well, that takes care of (d)! An F statistic was contained in your <snip>. I presume it was intended as a clue about the way the problem's author intended a-c to be approached. . . ================================================================= Instructions for joining and leaving this list, remarks about the problem of INAPPROPRIATE MESSAGES, and archives are available at: . http://jse.stat.ncsu.edu/ . =================================================================
