SME
Grade 8 Math
Statistics & Probability
Scatter plots and lines of fit
Main lesson
Two-way tables
Use this for “Of 40 students with a pet, 30 have a sibling; of 60 without a pet, 30 do. Is there an association?”
What does the scatter plot show?
Use this for “Hours of TV and test scores: what kind of relationship?”
Two variables, one bar each
Use this for “Six players’ assists and points: make the plot and describe the trend.”