Fig. 6From: Strategies and difficulties during students’ construction of data visualizations(Color online) The college (red dot) and high school (blue dot) students’ centroids. The red square and box represent the mean and 95% confidence interval for the mean of the college students’ centroids, respectively, and the blue square and box represent the mean and 95% confidence interval for the mean of the high school students’ centroids, respectivelyBack to article page