Lessons for 8.SP.A.4
Association in a two way table and segmented bar graphsTwo variables are associated when the conditional shares differ from row to row.Lesson
Conditional relative frequenciesThe share of one row or one column that lands in a given cell.Lesson
Joint and marginal frequenciesThe row and column totals of a two way table, each describing one variable on its own.Lesson
Relative frequency tablesA table giving each category as a fraction or percent of the total instead of a raw count.Lesson
Two-way tablesCounts for two categorical variables at once, and the relative frequencies inside.Lesson
Printable Worksheets
Association in a two way table and segmented bar graphs worksheet (PDF)Printable worksheet with answer keyPreview
Conditional relative frequencies worksheet (PDF)Printable worksheet with answer keyPreview
Joint and marginal frequencies worksheet (PDF)Printable worksheet with answer keyPreview
Relative frequency tables worksheet (PDF)Printable worksheet with answer keyPreview