GRE Question of the Day (March 21st)

Math

  The frequency distributions shown above represent two groups of data. Each of the data values is a multiple of 10.

Quantity A	Quantity B
The standard deviation of distribution A	The standard deviation of distribution B

A. Quantity A is greater. B. Quantity B is greater. C. The two quantities are equal. D. The relationship cannot be determined from the information given.   Correct Answer - B  - (click and drag your mouse to see the answer) Question Discussion & Explanation