Test of Essential Academic Skills (TEAS) ATI Mathematics Practice Test

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What type of association do the points in a scatter plot indicate when there is no visible trend?

linear, positive
linear, negative
quadratic
no association

The correct answer is: no association

When points in a scatter plot display no visible trend, it indicates that there is no correlation between the two variables being examined. Such a distribution of points suggests that changes in one variable do not systematically correspond to changes in the other variable, leading to a conclusion that they are independent of each other. In statistical terms, this situation is defined as having no association, meaning that one variable does not predict or affect the other in any discernible way. For instance, if you were to plot the number of hours studied against test scores and the points were scattered randomly without forming any discernible pattern, you would infer that there is no association between the amount of study time and test performance, as performance could vary widely regardless of study hours.