Percent CF4 & Cell Length \\ 0.1254 & 12.0541 \\ 10.1072 & 13.7950 \\ 15.2593 & 16.4626 \\ 17.2638 & 21.8878 \\ 18.2300 & 24.8360 \\ 19.2096 & 28.4263 \\