Scatter Plots

Front

What is a scatter plot?

Back

A scatter plot is a type of graph that shows the relationship between two numerical variables by displaying data points on a two-dimensional grid.

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 is correlation in the context of scatter plots?

Back

Correlation refers to the strength and direction of a relationship between two variables, which can be positive, negative, or none.

Front

What is an outlier in a scatter plot?

Back

An outlier is a data point that is significantly different from other points in the scatter plot, often lying far away from the main cluster.

Front

What does no correlation mean in a scatter plot?

Back

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

Front

What is a positive linear association?

Back

A positive linear association is a straight-line relationship where both variables increase together.

Front

What is a negative linear association?

Back

A negative linear association is a straight-line relationship where one variable increases while the other decreases.

Front

How can you identify an outlier in a scatter plot?

Back

An outlier can be identified as a point that lies far away from the main cluster of points in the scatter plot.

Front

What is the purpose of a scatter plot?

Back

The purpose of a scatter plot is to visually display the relationship between two quantitative variables and to identify patterns or trends.