"Concentration" "Response"
"1" 500 2.479
"2" 250 1.725
"3" 125 1.145
"4" 62.5 0.579
"5" 31.25 0.368
"6" 15.625 0.213
"7" 7.8125 0.147
"8" 0 0.068
"9" 500 1.516
"10" 250 1.268
"11" 125 0.918
"12" 62.5 0.578
"13" 31.25 0.345
"14" 15.625 0.211
"15" 7.8125 0.134
"16" 0 0.068
