ScatterPlots

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 correlation indicate in a scatter plot?

Back

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

Front

What does a negative correlation indicate in a scatter plot?

Back

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

Front

What does no correlation mean in a scatter plot?

Back

No correlation means there is no apparent relationship between the two variables; changes in one variable do not predict changes in the other.

Front

How can you identify a linear relationship in a scatter plot?

Back

A linear relationship can be identified if the data points form a straight line or a pattern that closely resembles a straight line.

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 trends, correlations, or patterns.

Front

What type of association is shown if the points in a scatter plot slope downwards from left to right?

Back

This indicates a negative association.

Front

What type of association is shown if the points in a scatter plot slope upwards from left to right?

Back

This indicates a positive association.

Front

What is an example of a negative correlation?

Back

An example of a negative correlation is the relationship between the outside temperature and the amount of layers of clothing worn.

Front

What is an example of no correlation?

Back

An example of no correlation is the relationship between the number of siblings a person has and their weight.