Functions and Scatterplots

Front

What is a function?

Back

A function is a relation where every input has exactly one output.

Front

What does a scatterplot represent?

Back

A scatterplot visually represents the relationship between two variables.

Front

What type of correlation indicates that as one variable increases, the other decreases?

Back

Negative correlation.

Front

What type of correlation indicates that as one variable increases, the other also increases?

Back

Positive correlation.

Front

What does it mean if a scatterplot shows no correlation?

Back

There is no discernible relationship between the two variables.

Front

What is the independent variable in a function?

Back

The independent variable is the input value that is manipulated.

Front

What is the dependent variable in a function?

Back

The dependent variable is the output value that depends on the input.

Front

How can you identify a positive correlation in a scatterplot?

Back

If the points trend upwards from left to right.

Front

How can you identify a negative correlation in a scatterplot?

Back

If the points trend downwards from left to right.

Front

What does a nonlinear association in a scatterplot indicate?

Back

The relationship between the variables does not follow a straight line.