Hi Henry. That is very impressive! But when kids count they still say: one two three. Indices is not the same thing as ordinal numbers. The first problem should be no 1 rather than no 0.
>________________________________ > Fra: Henry Rich <henryhr...@nc.rr.com> >Til: Programming forum <programming@jsoftware.com> >Sendt: 19:24 lørdag den 17. december 2011 >Emne: [Jprogramming] J Midterm exam 2011 > >Kids can learn J! > >I teach a highschool class in J, attended by 14 students. For my >midterm this year I set 16 problems. I posted the exam on the Web 24 >hours before it was due, with instructions that they could bring >handwritten notes to class, where they would type in their solutions >during the 2 hours of the exam. > >The median score was 7, with all but one student offering 5 correct >answers. One student got 12 problems right and made a tiny error on a >13th. Amazingly, 2 students solved all 16. Astonishingly, one of those >students provided tacit solutions for 13 of his 16 correct answers >(tacit was awarded extra credit). > >The exam can be seen at > >http://www.raleighcharterhs.org/faculty/hrich/Courses/PSE/psemidterm2011.ijs > >and my suggested solutions at > >http://www.raleighcharterhs.org/faculty/hrich/Courses/PSE/psemidterm2011answers%20gffgh.ijs > >Readers of this space will note my use of the dice/toss thread. > >Henry Rich >---------------------------------------------------------------------- >For information about J forums see http://www.jsoftware.com/forums.htm > > > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm