Linda L. Cooper|Felice S. Shore
Students' Misconceptions in Interpreting Center and Variability of Data Represented via Histograms and Stem-and-Leaf Plots
Towson University|Towson University
paper identifies discusses misconceptions students making judgments center variability data presented graphically assessment addressing interpreting center variability histograms stemandleaf plots administered followup interviews conducted undergraduates enrolled introductory statistics courses assessment items focused upon comparing variability two data sets common range represented bellshaped histograms common scale computing measures center data extracted graphs comparing relative location mean median histogram skewed data students misconceptions often stemmed difficulty maintaining understanding data represented graphically