% Data for Exercise 18.2
% x = height, y = weight 
% of 44 civil engineering students at the University of Innsbruck, 
% class of 1998.
% The program call "mat18_ex2" assigns the values of x and y.

x = [186 
178
199
168
187
184
176
176
176
170
176
186
169
178
174
178
169
190
170
167
183
176
167
189
173
180
186
180
176
189
178
175
184
186
185
191
185
193
178
187
182
179
173
183];

y = [73
73
93
60
83
73
74
68
71
57
68
80
55
70
60
78
70
92
60
70
80
68
71
85
69
73
84
70
73
69
66
70
80
80
69
85
95
70
72
82
66
71
63
75];
