Interpret Bivariate Data Practice

Front

What is bivariate data?

Back

Bivariate data involves two variables and is used to determine the relationship between them.

Front

What does correlation mean in statistics?

Back

Correlation measures the strength and direction of a linear relationship between two variables.

Front

What is a positive correlation?

Back

A positive correlation means that as one variable increases, the other variable also increases.

Front

What is a negative correlation?

Back

A negative correlation means that as one variable increases, the other variable decreases.

Front

What is a scatter plot?

Back

A scatter plot is a graph that shows the relationship between two quantitative variables.

Front

What does a best-fit line represent?

Back

A best-fit line represents the trend in the data and is used to make predictions.

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; it may curve or change direction.

Front

How do you identify a positive linear association in a scatter plot?

Back

A positive linear association is identified when points on the scatter plot trend upwards from left to right.

Front

How do you identify a negative linear association in a scatter plot?

Back

A negative linear association is identified when points on the scatter plot trend downwards from left to right.