I had never heard of stem-and-leaf until a few weeks ago, when I learnt of it in helping my daughter with her math homework. It seems to me that a histogram is a better graphic presentation than a stem plot. You might use stem plot if you didn't have a computer.
On Thu, May 1, 2014 at 4:35 PM, km <[email protected]> wrote: > Noun ruth below shows the numbers of home runs of Babe Ruth in each of > his 15 years with the New York Yankees, 1920 to 1934. Noun stemplot is a > "stemplot" (defined below) of this data. I have a clumsy way of producing > noun stemplot. How would you do it? > > ruth > 54 59 35 41 46 25 47 60 54 46 49 46 41 34 22 > stemplot > 2|2 5 > 3|4 5 > 4|1 1 6 6 6 7 9 > 5|4 4 9 > 6|0 > > From Moore and McCabe, Introduction to the Practice of Statistics, Fourth > Edition, page 20 -- > > To make a "stemplot": > > 1. Separate each observation into a "stem" consisting of all but the final > (rightmost) digit and a "leaf", the final digit. Stems may have as many > digits as needed, but each leaf contains only a single digit. > > 2. Write the stems in a vertical column with the smallest at the top, and > draw a vertical line at the right of this column. > > 3. Write each leaf in the row to the right of its stem, in increasing > order out from the stem. > > --Kip Murray > > Sent from my iPad > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
