Hard Statistics Problem Today I would like to give a hard statistics problem from the book 320 SAT Math Subject Test Problems – Level 2. I will provide a full explanation for this problem tomorrow. Feel free to leave your own solutions in the comments. Level 5 Statistics Suppose that the average (arithmetic mean) of a, b, and c is h, the average of b, c, and d is j, the average of c, d, and e is k, and the average of d, e, and f is m. What is the value of (a + c) – (d + f ) ? A) h – j + k – m B) 3(h – j + k – m) C) 3/4 (h – j + k – m) D) 3(h + j + k + m) E) 3/4 (h + j + k + m) More SAT and ACT Math Problems with Explanations If you are preparing for the SAT, ACT, or an SAT math subject test, you may want to take a look at the Get 800 collection of test prep books. And if you liked this article, please share it with your Facebook friends: Comments comments