Scatter Plots

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 correlation mean in statistics?

Back

Correlation refers to the statistical relationship between two variables, indicating how one variable may change in relation to another.

Front

What are the types of correlation?

Back

The types of correlation are positive correlation, negative correlation, and no correlation.

Front

What is a positive correlation?

Back

A positive correlation occurs when an increase in one variable leads to an increase in another variable.

Front

What is a negative correlation?

Back

A negative correlation occurs when an increase in one variable leads to a decrease in another variable.

Front

What does no correlation mean?

Back

No correlation means that there is no discernible relationship between two variables.

Front

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

Back

In a scatter plot, a positive correlation is identified by points that trend upwards from left to right.

Front

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

Back

In a scatter plot, a negative correlation is identified by points that trend downwards from left to right.

Front

What does a scatter plot with no correlation look like?

Back

A scatter plot with no correlation shows points that are randomly scattered without any discernible pattern.

Front

What is an example of a positive correlation?

Back

An example of a positive correlation is the relationship between study time and test scores; as study time increases, test scores tend to increase.