Lessons for S.IC.B.5
Comparing two treatments by re-randomizingDeciding whether a difference between two treatment groups is bigger than chance assignment alone would produce, by shuffling the data many times.Lesson
Comparing two distributionsSaying how two groups differ in center, spread and shape, on the same scale, with units.Lesson
Completely randomized design and replicationAssigning every unit to a treatment purely at random, with no grouping first.Lesson
Control groups, placebos and blindingA group receiving no treatment or the usual one, to compare the others against.Lesson
Designing a simulationSetting up a chance process whose outcomes match the real situation being studied.Lesson
Random assignment and confoundingUsing chance to decide which unit gets which treatment, so the groups start out alike.Lesson
Printable Worksheets
Comparing two treatments by re-randomizing worksheet (PDF)Printable worksheet with answer keyPreview
Comparing two distributions worksheet (PDF)Printable worksheet with answer keyPreview
Completely randomized design and replication worksheet (PDF)Printable worksheet with answer keyPreview
Control groups, placebos and blinding worksheet (PDF)Printable worksheet with answer keyPreview
Designing a simulation worksheet (PDF)Printable worksheet with answer keyPreview
Random assignment and confounding worksheet (PDF)Printable worksheet with answer keyPreview