Category: data analysis

Central Tendency: 10 Burning Questions

My intern just started a unit on statistics with my favourite starter question of all time. (First blogged near the end of this post in 2011…) The question is simple: floor is very low, and ceiling is very high. Create a data set with the following characteristics: Mean = 3 Mode = 3 Median = …

Spinner Data Task

The difference between what should happen and what does happen is a difficult distinction for students. They are so used to finding exact answers in the back of textbooks, that differing experimental results create an sense of uneasiness. At an early age (Grade 9 in my province) we begin to introduce students to the ideas …