11.   Kohut countered that even if his survey had half as many independents, Dole and Forbes would still be tied.

12.   Overall, the survey had its limitations, Rainie said.

13.   Sennett and his colleagues readily concede that the survey has important limitations.

14.   Taken as a whole, the survey had much encouraging news for Gore and very little for Bush.

15.   That rankings have mysteriously changed within a single year suggests that the survey has its own statistical quirks.

16.   The business survey has its weaknesses.

17.   The firm expects that future Bay Area surveys will have better response rates.

18.   The survey had a margin of error of five percentage points.

19.   The survey had a margin of error of less than one percentage point, plus or minus.

20.   The survey had a margin of sampling error of plus or minus three percentage points.