Question

A student says an association must be one of two things: positive or negative. What would you tell the student? Explain.

Answer 1

Step-by-step explanation:

In a scatterplot showing the association between two variables, there are three possible outcomes:

• A positive association

,

• No association

,

• A negative association

Thus, the student missed out the third possibility, i.e. that there is no association between the two variables.