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Is the average (arithmetic mean) of the seven numbers negative?
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Author:  UncleFrodo [ 17 Jul 2018, 11:14 ]
Post subject:  Is the average (arithmetic mean) of the seven numbers negative?

List K consists of seven numbers. Is the average (arithmetic mean) of the seven numbers negative?

(1) Four of the seven numbers in list K are negative.
(2) The sum of the seven numbers in list K is negative.

Author:  LevanKhukhunashvili [ 17 Jul 2018, 12:03 ]
Post subject:  Re: Is the average (arithmetic mean) of the seven numbers negative?

1 stm: We cant conclude that the average is negative only because most of the members are negative. Even if one member is positive and is more than the sum of the rest 6 negative members, the mean will be positive. Insuff.
2 stm: clearly says that the sum is negative so is we divide negative number by 7 (number of members) we will definitely get negative number. Suff.

IMO
Ans: B

Author:  ImranBinkhaled [ 13 Aug 2019, 14:37 ]
Post subject:  Re: Is the average (arithmetic mean) of the seven numbers negative?

Bunuel could you please explain the logic behind the answer of the question?

Author:  Bunuel [ 13 Aug 2019, 21:19 ]
Post subject:  Re: Is the average (arithmetic mean) of the seven numbers negative?

ImranBinkhaled wrote:
Bunuel could you please explain the logic behind the answer of the question?


Could you please tell me what is unclear HERE?

Author:  bumpbot [ 11 Sep 2021, 12:27 ]
Post subject:  Re: Is the average (arithmetic mean) of the seven numbers negative?

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