Unordered data or replicates
Initial Publication Date: December 21, 2006

A working knowledge of fundamental statistics (mean, variance, standard deviation) is an important aspect of working with random or univariate data. learn more here
Graphs are often used to help students visualize data. Having students make their own graphs, read data/information from graphs, and describe graphs in their own words are all important "Using Data" learning objectives. learn more here