Question 204966
Very  good  question
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A)  First  quartile, 25 % in  1st  quartile, not  half  below.
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B) Mid range,  defined  as (largest  no +smallest no) /2,  may  but  not  necessarily split  the  scores.  
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C) Third  Quartile, 3 x's 25% or 75%  below ,  not  half  below 
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D) Median,  the  middle  number, so  yes  half  below. 
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E) Fourth  Quartile, last 25 % in  this  quartile,  100 %  below,,no  
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