Scatter Plots

Front

What is a scatter plot?

Back

A scatter plot is a graph that shows the relationship of two data sets.

Front

As the age of the car increases, what happens to its value?

Back

Its value decreases.

Front

What does it mean if the points on a scatter plot show that as x-values increase, y-values increase?

Back

It indicates a positive correlation between the two variables.

Front

Which scatter plot shows a linear relationship between x and y?

Back

Graph C shows a linear relationship.

Front

What does a scatter plot with points that show as x-values increase, y-values decrease indicate?

Back

It indicates a negative correlation between the two variables.

Front

What is the purpose of a scatter plot?

Back

To visually represent the relationship between two quantitative variables.

Front

If a scatter plot shows no clear pattern, what can be inferred about the relationship between the variables?

Back

There is likely no correlation between the variables.

Front

What does it mean if a scatter plot is described as linear?

Back

It means that the data points can be approximated by a straight line.

Front

In a scatter plot, what do the x-values typically represent?

Back

The independent variable.

Front

In a scatter plot, what do the y-values typically represent?

Back

The dependent variable.