I have a set of results where I have the eyesight power of both left and right 
eyes for each participant (e.g. 0.75, 0.5). Each participant then had to throw 
basketballs into a hoop and the number of successful throws was recorded.
 
I would like to do two things:
1. Test whether the eyesight power of the left and right eyes are significantly 
different from each other.
2. Test whether the number of successful throws is significantly affected by 
eyesight power (i.e. is there a difference between those people who have 
similar powers in left and right eyesight, to those who have significantly 
different powers?)
 
I know that I may not have explained this particularly well, but I'm totally 
stumped as to where to start! I have only had basic lessons with R and now have 
to do this report! 
 
Many thanks, Samaire                                      
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