Here's the question you clicked on:
Cloverpetal
What is a stem-and-leaf plot?
http://www.khanacademy.org/video/stem-and-leaf-plots?playlist=ck12.org+Algebra+1+Examples
stem and leaf plot is really just a buch of numbers that is cut into 2 numbers with the first# on one side of a line (it could be two numbers to ) and the ones on the other