Data Representer
Sub Trajectory: Data
Shows an appreciation of the “center” of graphs and for their variation or spread. Compares graphs of data sets of the same size accurately. Similarly can use other representations such as tables to detect variation in different sets, develop models of those variations, and apply them to make predictions.
Special Thanks To

The research reported here was supported by the Institute of Education Sciences, U.S. Department of Education, through grant numbers R305K050157, R305A120813, R305A110188, and R305A150243. to the University of Denver. The opinions expressed are those of the authors and do not represent views of the Institute or the U.S. Department of Education.