Measures of Dispersion and Variability: Range, QD, AD and SD
Using Wiki for the Online Publishing course
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4. 1987 Apple Macintosh: HyperCard Hypercard stack on Beethoven's Ninth Created by The Voyager Company, with music and Beethoven expertise from Robert Winter, and HyperCard programming by Steve Riggins. http://en.wikipedia.org/wiki/Image:Hyper_beethoven.gif Wiki’s inventor, Ward Cunningham, combined Web technology with concepts used in the Mac program Hypercard .