## Here is the data set "WeldData", giving the current (in Amps) in
## the left-hand column and the minimum diameter of the weld (in
## mm) in the right-hand column
curr mindiam
7.82 3.4
8.00 3.5
7.95 3.3
8.07 3.9
8.08 3.9
8.01 4.1
8.33 4.6
8.34 4.3
8.32 4.5
8.64 4.9
8.61 4.9
8.57 5.1
9.01 5.5
8.97 5.5
9.05 5.6
9.23 5.9
9.24 5.8
9.24 6.1
9.61 6.3
9.60 6.4
9.61 6.2