GMAT Question of the Day (Nov 14): Statistics and Sentence Correction

By - Nov 14, 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
(D) I and II
(E) none

Question Discussion & Explanation
Correct Answer - E - (click and drag your mouse to see the answer)

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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

Question Discussion & Explanation
Correct Answer - C - (click and drag your mouse to see the answer)

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