Demonstrates a statistically valid method allowing students to explore randomization. Described are two examples: counting techniques for a small set of data and simulation for a large sample. (YP)

Few issues on the educational scene have proven as vexatious as the achievement gap between the "haves" and "have nots" in society. The achievement gap has proved both substantial and persistent, despite the good intentions and considerable efforts of thousands of educators and notwithstanding the "No Child Left Behind" Act and other reform…