Identify data landmarks such as mean, median, M.A.D. and interquartile range using a variety of data sets. Make informal comparison of data sets focusing on variability and overlap. Scaffolded lesson provides for classroom differentiation. Can be used as a lesson leader, guided practice, independent practice, for cooperative learning and math centers, or as an assessment. Use with smartboard, projector, computer, pad or as printable. Lesson is complete - NO PREP. Editable version included.Objectives:- Identify data landmarks in a variety of data sets- Measure variability within and across data sets- Recognize variability across two data sets- Understand median is related to interquartile range and mean with M.A.D. Includes 6 practice pages and answer keys.Aligned with NCCS Math - 7.SP.2Visit commoncoremath.net for additional help.