/************************************************
  Data on Male turtles (n=24)
column 1 = Carapace length
Column 2 = Carapace width
**************************************************/
options ls=70;
data turtles;
input length width;
datalines;
  93     74
  94     78
  96     80
 101     84
 102     85
 103     81
 104     83
 106     83
 107     82
 112     89
 113     88
 114     86
 116     90
 117     90
 117     91
 119     93
 120     89
 120     93
 121     95
 125     93
 127     96
 128     95
 131     95
 135    106
;
run;
proc ttest alpha = .01;
run;
proc plot;
     plot length*width;
	 run;
proc univariate normal plot;
run;
quit;