Just Google it

Just Google it

Here’s a really quick idea for a matching activity, totally building off Pip Arnold’s excellent work on shape. At the bottom of this post are six “Popular times” graphs generated today by Google when searching for the following places of

Helping students to estimate mean and standard deviation

Helping students to estimate mean and standard deviation

Estimating the mean and standard deviation of a discrete random variable is something we expect NZ students to be able to do by the time they finish Year 13 (Grade 12). TheĀ idea is that students estimate these properties of a