Developing authentic formative and summative assessments is challenging, so this column will focus assessment from overarching frameworks to suggestions for lesson-specific assessments.
Students should be exposed to current and interesting data sets. Most, if not all, will have at least some familiarity with The Biggest Loser television show making this activity a great example of using real-world data.
Although it is clearly possible for two people to share a birthday, our experiences (and intuition) inform us that it is more likely that two people will have different birthdays. That is to say, the probability of a shared birthday between two people is close to zero. However, the chance of a shared birthday may increase if a larger group of people is considered.
(Grades 6–12+) Originally published in February 2017, this lesson focuses on correlation as a way of measuring the strength and direction of a linear association between two numerical variables.