1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23

Standard Deviation of Probe Yield

vs

Average Probe Yield

30%

IMAGE imgs/OTD25.gif

25%

IMAGE imgs/OTD24.gif

20%

IMAGE imgs/OTD26.gif

15%

10%

5%

0%

0%

20%

40%60%
AVERAGE PROBE YIELD

80%

100%

IMAGE imgs/OTD09.gif Maass
9/96