Scatter Plots and Associations

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 do not affect the other.

Front

What is correlation?

Back

Correlation is a statistical measure that describes the extent to which two variables change together.

Front

What is the difference between correlation and causation?

Back

Correlation indicates a relationship between two variables, while causation implies that one variable directly affects the other.

Front

What is a linear relationship?

Back

A linear relationship is a relationship that can be represented by a straight line on a scatter plot.

Front

What is a non-linear relationship?

Back

A non-linear relationship is a relationship that cannot be represented by a straight line; it may curve or change direction.

Front

How can you identify a positive correlation on a scatter plot?

Back

A positive correlation is identified by data points that slope upwards from left to right.

Front

How can you identify a negative correlation on a scatter plot?

Back

A negative correlation is identified by data points that slope downwards from left to right.