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freetheking
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Set S = {1, 3, 5, 7, 9, 11, 13, 15, 17, 19}. If the two 05 Aug 2006, 00:04
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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!

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0% (00:00) correct 0% (00:00) wrong based on 2 sessions

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Set S = {1, 3, 5, 7, 9, 11, 13, 15, 17, 19}. If the two numbers from set S are removed, what is the standard deviation of 8 remaining numbers?

S1. The median of 8 remaining numbers is 10
S2. The arverage of 10 numbers is equal to that of 8 remaining numbers.



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ps_dahiya
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Set S = {1, 3, 5, 7, 9, 11, 13, 15, 17, 19}. If the two 05 Aug 2006, 01:08
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I think its E.

Will explain if correct.
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freetheking
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Set S = {1, 3, 5, 7, 9, 11, 13, 15, 17, 19}. If the two 05 Aug 2006, 01:10
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Your answer will not be wrong :lol: ..

I'm trying to find the fatest way to solve those question that I posted today.
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Set S = {1, 3, 5, 7, 9, 11, 13, 15, 17, 19}. If the two 05 Aug 2006, 01:13
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Removing 1 and 19 or 9 and 11 would satisfy both (1) and (2), yet the sd would differ in each case
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Set S = {1, 3, 5, 7, 9, 11, 13, 15, 17, 19}. If the two 05 Aug 2006, 14:39
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kevincan
Removing 1 and 19 or 9 and 11 would satisfy both (1) and (2), yet the sd would differ in each case
Show more



Agree even though it took me more than 2 min

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freetheking
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Set S = {1, 3, 5, 7, 9, 11, 13, 15, 17, 19}. If the two 05 Aug 2006, 15:01
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OA is E.. Thanks guys. :lol:
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CHEN
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Set S = {1, 3, 5, 7, 9, 11, 13, 15, 17, 19}. If the two 05 Aug 2006, 15:04
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:oops: Oh I misunderstood the quesions
hope this not happen on real test :x
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Set S = {1, 3, 5, 7, 9, 11, 13, 15, 17, 19}. If the two 05 Aug 2006, 18:49
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Removing any pair - 1/19, 7/13,9/11 will have the same effect for both A and B. Hence, answer is E



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