Working with Data

There are several ways we can talk about data we have. Two of the most important features of a data set are range, mode, median and average.

Let's look at the following example: 

Jessica recorded the speed of passing cars at an intersection. She measured the following (in m/h):

30, 37, 22, 45, 10, 45, 44, 37, 45, 39, 20, 45, 48, 52, 6