Scale Model of the Solar System

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Contributed by: Council of Chief State School Officers (CCSSO) These data were prepared by American College Testing (ACT) based on a field test of the SCASS Performance Event. Unit Name: Scale Model of Solar System Unit Content: Earth Science Unit Theme: Patterns Unit Statistics: Event Score 0 1 2 3 4 N 46.00 75.00 96.00 115.00 20.00 N Mean Standard Deviation Standard Error 352.00 1.97 1.14 0.06

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