Scatter Plots

Front

What is a scatter plot?

Back

A scatter plot is a graph that shows the relationship between two quantitative variables by displaying data points on a two-dimensional axis.

Front

What does a positive association in a scatter plot indicate?

Back

A positive association indicates that as one variable increases, the other variable also tends to increase.

Front

What does a negative association in a scatter plot indicate?

Back

A negative association indicates that as one variable increases, the other variable tends to decrease.

Front

What does no association mean in a scatter plot?

Back

No association means that there is no discernible relationship between the two variables; changes in one variable do not affect the other.

Front

What is the x-axis in a scatter plot?

Back

The x-axis is the horizontal axis that typically represents the independent variable.

Front

What is the y-axis in a scatter plot?

Back

The y-axis is the vertical axis that typically represents the dependent variable.

Front

How can you identify a positive association in a scatter plot?

Back

You can identify a positive association if the data points trend upwards from left to right.

Front

How can you identify a negative association in a scatter plot?

Back

You can identify a negative association if the data points trend downwards from left to right.

Front

What is an example of a situation that might show a positive association?

Back

An example is the relationship between hours studied and test scores; generally, more hours studied leads to higher test scores.

Front

What is an example of a situation that might show a negative association?

Back

An example is the relationship between the amount of time spent watching TV and grades; generally, more TV time may lead to lower grades.