Scatter Plots & Types of Association

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 linear association in a scatter plot indicate?

Back

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

Front

What does a negative linear association in a scatter plot indicate?

Back

A negative linear 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

If there is no association, it means that changes in one variable do not affect the other variable.

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 or trends in data.

Front

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

Back

A positive association is identified when the data points slope upwards from left to right.

Front

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

Back

A negative association is identified when the data points slope downwards from left to right.

Front

What is a linear relationship?

Back

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

Front

What is a non-linear relationship?

Back

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

Front

What does the term 'outlier' mean in the context of scatter plots?

Back

An outlier is a data point that lies far away from the other points in the scatter plot, indicating it may not fit the general pattern.