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Thanks. OA is B.Vemuri wrote:IMO B
Standard deviation is a statistically derived specified distance from the mean.
Stmt 1: Tells us that the mean is 4. Its not sufficient to tell what the standard deviation will be (we don't have to calculate SD in GMAT, even in PS questions)
Stmt 2: Tells us that each of the nests have the same number of eggs. That means, the mean value is the same & there is no deviation. So, the standard deviation is 0 (zero). Hence this statement is sufficient to answer the question.
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