Scatter Plots & 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 it mean if there is no association 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 a linear association?

Back

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

Front

What is a non-linear association?

Back

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

Front

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

Back

A strong negative association is identified when the data points are closely clustered in a downward slope from left to right.

Front

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

Back

A strong positive association is identified when the data points are closely clustered in an upward slope from left to right.

Front

What is the purpose of using scatter plots?

Back

Scatter plots are used to visually represent the relationship between two variables and to identify patterns, trends, or correlations.

Front

What is correlation?

Back

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