standard_description: Use statistics appropriate to the shape of the data distribution to compare center (median, mean) and spread (interquartile range, standard deviation) of two or more different data sets.
problem_activity: Stage 1: Explore
Required Preparation
Materials to Gather
Picture books

Narrative
Students look at picture books and identify groups of objects. They may recognize small quantities or count to figure out how many.
Additional Information
Each group of 2 needs at least one picture book that shows groups with different numbers of objects throughout the book.


aligns: no