data_noNA.csv

"","X","Smokers..mmHg.","Non.smokers..mmHg."
"1",1,103,107
"2",2,114,101
"3",3,125,103
"4",4,118,95
"5",5,119,101
"6",6,128,98
"7",7,110,112
"8",8,98,98
"9",9,125,106
"10",10,134,113
"11",11,111,102
"12",12,114,114
"13",13,115,101
"14",14,112,94