The graphs show the average second-to-second changes in cardiac periods (reflecting a slowing down of heart rate) during tasks with 8-second, 14-second and 20-second encoding intervals 60.

Key Points A multi-vari chart is a visual means of seeing multiple variations across a single data set. It is not a ...

Save guides, add subjects and pick up where you left off with your BBC account. A frequency diagram is a type of graph used to represent a continuous set of grouped data. First, identify the ...