Patterns in Bivariate Data Flashcard

Front

What is bivariate data?

Back

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

Front

What does a positive correlation indicate?

Back

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

Front

What does a negative correlation indicate?

Back

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

Front

What is an outlier in a data set?

Back

An outlier is a data point that is significantly different from other observations in the data set.

Front

What is a scatter plot?

Back

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

Front

What does 'no association' mean in bivariate data?

Back

'No association' means that there is no discernible relationship between the two variables.

Front

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

Back

A positive linear correlation is identified by points that trend upwards from left to right.

Front

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

Back

A negative linear correlation is identified by points that trend downwards from left to right.

Front

What is the purpose of correlation coefficients?

Back

Correlation coefficients quantify the strength and direction of a relationship between two variables.

Front

What is the range of correlation coefficients?

Back

The range of correlation coefficients is from -1 to 1.