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multicalconarray: value array must be an array

The graph below shows the Lorenz curve for two countries.

Which curve shows bigger income inequality?

 

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X
MathQuill
   x  x    n  |   | (   ) π DNE
   x    (   ) π DNE
( ) ( ] [ ) [ ] —∞ DNE
< > or All Real Numbers DNE
log logn ln n  | | e 
sin cos tan arcsin arccos arctan  
[more..]