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GMAT Question of the Day (Dec 16)

Miranda Menestrina 0

Math

Is the mean of set S greater than its median?

(1) All members of S are consecutive multiples of 3

(2) The sum of all members of S equals 75

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

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Verbal

[textarea][color=#0072bc][b]Official Guide for GMAT Verbal Review, 2nd Edition[/b][/color]

[b][color=#459926]Practice Question[/color]
Question No.: 55
Page: 138
Difficulty: [/b][/textarea]

There is a great deal of geographical variation in the frequency of many surgical procedures тАУ up to tenfold variation per hundred thousand between different areas in the numbers of hysterectomies, prostatectomies, and tonsillectomies.

[b]To support a conclusion that much of the variation is due to unnecessary surgical procedure, it would be most important to establish which of the following ?[/b]

A)A local board of review to each hospital examines the records of every operation to determine whether the surgical procedure was necessary.
B)The variation is unrelated to factors (other than the surgical procedures themselves) that influence the incidence of diseases for which surgery might be considered.
C)There are several categories of surgical procedure (other than hysterectomies, prostatectomies, and tonsillectomies) that are often performed unnecessarily.
D)For certain surgical procedures, it is difficult to determine after the operation whether the procedures were necessary or whether alternative treatment would have succeeded.
E)With respect to how often they are performed unnecessarily, hysterectomies, prostatectomies, and tonsillectomies are representative of surgical procedures in general.

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

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