> At 09:47 AM 2/28/2004, Robert Frick wrote: > >But if I try to test/teach third-graders about average and dispersion > >this year, I will tell you how they do.
and on Sat, 28 Feb 2004, Dennis Roberts wrote: > Actually, I think many of them DO have a concept of dispersion ... > even at 3rd grade ... they know some students are smart ... some not > so smart ... some can run fast ... some not so fast ... some talk a > lot (and get in trouble) while others don't > > I don't have any feel for if they have any notion of "average" ... If they appear not to, it will only be because they haven't been given (or exposed to) language in which the notion can be expressed. Certainly by the time I was in 4th grade, it was not a remarkable thing for a teacher to assign the task of averaging marks to everyone in the class. AND to expect them to do it right, reliably. -- Don. ------------------------------------------------------------ Donald F. Burrill [EMAIL PROTECTED] 56 Sebbins Pond Drive, Bedford, NH 03110 (603) 626-0816 . . ================================================================= Instructions for joining and leaving this list, remarks about the problem of INAPPROPRIATE MESSAGES, and archives are available at: . http://jse.stat.ncsu.edu/ . =================================================================
