The best thing that Dani has to do due to the fact that the chart that she is creating has become too clustered to understand would be for her to create a second chart.
<h3>What is a visual aid?</h3>
This is an instructional material that is used in education or speech delivery to show information that is conveying the message to the audience.
The message is delivered to the audience in the form of a picture. It helps understanding to be faster.
Read more on visual aids here: brainly.com/question/3610367
The independent variable is the amount of alcohol.
The dependant variable is the coordination skills. The skills depend and are affected by the amount of alcohol drunk.