hard · Gre Quant
List L consists of the seven numbers 2, 4, 6, 8, 10, 12, 14. List M is formed by adding 3 to each number in L and then multiplying each result by 2.
Quantity A: the standard deviation of list M Quantity B: twice the standard deviation of list L Which statement is true?
- Quantity A is greater.
- Quantity B is greater.
- The two quantities are equal.
- The relationship cannot be determined from the information given.
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