"treatment"	"height"
"1"	"treated"	7
"2"	"treated"	10
"3"	"treated"	9
"4"	"treated"	8
"5"	"treated"	7
"6"	"treated"	6
"7"	"treated"	8
"8"	"treated"	9
"9"	"treated"	12
"10"	"treated"	13
"11"	"control"	4
"12"	"control"	6
"13"	"control"	10
"14"	"control"	8
"15"	"control"	5
"16"	"control"	3
"17"	"control"	10
"18"	"control"	8
"19"	"control"	8
"20"	"control"	10
