U.S. National Standards
N.5. Data Analysis and Probability (NCTM)
5.1. Formulate questions that can be addressed with data and collect, organize, and display relevant data to answer them.
5.1.2. Select, create, and use appropriate graphical representations of data, including histograms, box plots, and scatterplots.
5.2. Select and use appropriate statistical methods to analyze data.
5.2.2. Discuss and understand the correspondence between data sets and their graphical representations, especially histograms, stem-and-leaf plots, box plots, and scatterplots.
5.3. Develop and evaluate inferences and predictions that are based on data.
5.3.2. Make conjectures about possible relationships between two characteristics of a sample on the basis of scatterplots of the data and approximate lines of fit.
N.12. Connections to the Grade 7 Focal Points (NCTM)
12.3. Data Analysis: Students use proportions to make estimates relating to a population on the basis of a sample. They apply percentages to make and interpret histograms and circle graphs.