Bivariate Data

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 linear association indicate in a scatterplot?

Back

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

Front

What does a negative linear association indicate in a scatterplot?

Back

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

Front

What is a trend line in a scatterplot?

Back

A trend line is a straight line that best represents the data points in a scatterplot, showing the overall direction of the data.

Front

How can you estimate values using a trend line?

Back

You can estimate values by locating the desired x-value on the trend line and reading the corresponding y-value.

Front

What does it mean if there is no association between two variables?

Back

No association means that changes in one variable do not affect the other variable.

Front

What is a nonlinear association?

Back

A nonlinear association occurs when the relationship between two variables cannot be accurately represented by a straight line.

Front

How do you interpret a scatterplot?

Back

To interpret a scatterplot, look for patterns, trends, and the type of association between the two variables.

Front

What is the purpose of using a scatterplot?

Back

A scatterplot is used to visually display the relationship between two quantitative variables.

Front

What is the significance of outliers in bivariate data?

Back

Outliers are data points that differ significantly from other observations and can affect the overall analysis of the data.