In article ,
chiam margalit wrote:

btw, you probably already know this, but stem-and-leaf plots are
listed in the NCTM standards under Data Analysis and Probability
for grades 6-8 which is why so many "newer" curricula introduce them:

"discuss and understand the correspondence between data sets
and their graphical representations, especially histograms,
stem-and-leaf plots, box plots, and scatterplots"

--Robyn