Question 1133151
Your data will look better if arranged THIS WAY, to see your categories clearly:
<pre>
Year              Yield per hectare                       Seasonal Rainfall 
                  in 100kg bags(kg) ,x                    in Millimetres(y)
63                     24                                      50
64                     19                                      80
65                     36                                      120
66                     32                                      115
67                     26                                      75
68                     34                                      70
69                     26                                      115
70                     26                                      77,5
71                     29                                      60
72                     38                                      175
73                     40                                      177,5
74                     30                                      115
</pre>