PPT Slide
1 5555556667777888888899999 25 +--+--+
1 0000011111222222233333444444444444 34 *-----*
0 556666777778888888999999999 27 +-----+
----+----+----+----+----+----+----
Multiply Stem.Leaf by 10**+1
Distribution of α (scale parameter)
mean=17.5, median=14.1, N=117