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I did 43,44,45, by a pretty unreliable way.... :/
so, may b its wrong...
for 43.. s.d of 1,2,6, have to be same cuz they are basically same nos. ... now, s.d of 5 has to be zero...
remaining are 4 and 3 .... I calculated s.d. for them .. and got (a) as answer....
same for 44... median of 1,2,5,6 are same... and calculate the remaining 2...
and 45... if we redistribute income from any distribution.. we will make someone worse off... so (b)
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