GMAT Question of the Day (Nov 17): Statistics and Sentence Correction

By - Nov 17, 02:00 AM Comments [0]

Math (PS)

Which set has the greatest standard deviation?

I. 1, 3, 5, 7, 9
II. 2, 4, 6, 8, 10
III. 1, -1, -3, -5, -7

(A) I
(B) II
(C) III
(D) I and II
(E) none

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Verbal (SC)

Salsa Dancers warm up before every performance by doing a series of warm-up and stretching exercises, and it reduces the chance of injury.

(A) exercises, and it reduces
(B) exercises, which reduces
(C) exercises, reducing
(D) exercises, the routine reduces
(E) exercises, so the routine reduces

Answers to the questions: E, C
For explanations please see these threads: math and verbal

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