Genetics 453 course totals

                  histogram with 8-point classes




                   MMMM    MMMM    MMMM
                   MMMM    MMMM    MMMM
                   MMMM    MMMM    MMMM
                   MMMM    MMMM    MMMM                    MMMM
                   MMMM    MMMM    MMMM                    MMMM
                   MMMM    MMMM    MMMM                    MMMM
                   MMMMMMMMMMMM    MMMM                    MMMM
                   MMMMMMMMMMMM    MMMM                    MMMM
                   MMMMMMMMMMMM    MMMM                    MMMM
   MMMM    MMMMMMMMMMMMMMMMMMMM    MMMM    MMMMMMMM        MMMM    MMMM
   MMMM    MMMMMMMMMMMMMMMMMMMM    MMMM    MMMMMMMM        MMMM    MMMM
   MMMM    MMMMMMMMMMMMMMMMMMMM    MMMM    MMMMMMMM        MMMM    MMMM
  -+---------+---------+---------+---------+---------+---------+---------+-
  180       200       220       240       260       280       300       320

                                  Total