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GMAT Question of the Day
October 14, 2009
Every weekday, GMAT Hacks publishes a realistic GMAT practice question. In general, you'll see Quant problems on Monday, Wednesday, and Friday, and Verbal questions on Tuesday and Thursday. You'll always be able to find them at www.gmatdaily.com.
Give today's question a try, and check your answer. When you're done, be sure to subscribe so that you can keep practicing every day!
Today's Practice GMAT Question:
| A zoologist recorded the number of cubs under the care of each of 12 adult female lions. What was the standard deviation of the numbers of cubs under the care of the 12 adult female lions? | |
| (1) | Each of the 12 adult female lions had either 2 or 3 cubs under her care. |
| (2) | 8 of the 12 adult female lions had the same number of cubs under her care. |
| (A) | Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. |
| (B) | Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. |
| (C) | BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient. |
| (D) | EACH statement ALONE is sufficient. |
| (E) | Statements (1) and (2) TOGETHER are NOT sufficient. |
Click to show answer (opens in new window)
Need more work in this area? Check out the Statistics and Sets set of (100) practice problems.There is also a full chapter covering Statistics in Total GMAT Math. It includes additional practice problems, as well.
If you don't already subscribe to the GMAT Question of the Day, start now--it's easy! A new question is published every weekday. You can sign up for all the questions, or just Verbal or Quantitative questions. Click here to subscribe!
About the author: Jeff Sackmann is a GMAT tutor based in New York City. He has created many resources for GMAT preparation, including the popular Total GMAT Math and Total GMAT Verbal, as well as 1,800 practice GMAT math questions.
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