Bivariate Data

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What is bivariate data?

Back

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

Tags

CCSS.6.SP.B.5B

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What is a scatter plot?

Back

A scatter plot is a graph that displays values for two variables for a set of data.

Tags

CCSS.8.SP.A.1

Front

What does a positive linear association look like in a scatter plot?

Back

In a positive linear association, as one variable increases, the other variable also increases, forming an upward trend.

Tags

CCSS.HSS.ID.B.5

Front

What does a negative linear association look like in a scatter plot?

Back

In a negative linear association, as one variable increases, the other variable decreases, forming a downward trend.

Tags

CCSS.HSS.ID.B.5

Front

What is a nonlinear association?

Back

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

Tags

CCSS.HSS.ID.B.5

Front

What is an outlier in a scatter plot?

Back

An outlier is a data point that is significantly different from other observations, often lying far away from the main cluster of points.

Tags

CCSS.8.SP.A.1

Front

What is the line of best fit?

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The line of best fit is a straight line that best represents the data on a scatter plot, minimizing the distance from all points to the line.

Tags

CCSS.8.SP.A.2

Front

How do you determine the trend of a scatter plot?

Back

The trend of a scatter plot can be determined by observing the direction of the points: upward (positive), downward (negative), or no clear direction.

Tags

CCSS.HSS.ID.B.5

Front

What does it mean if there is no association in a scatter plot?

Back

No association means that there is no discernible relationship between the two variables; the points are scattered randomly.

Tags

CCSS.HSS.ID.B.5

Front

What is the purpose of analyzing bivariate data?

Back

The purpose is to understand the relationship between two variables and make predictions based on that relationship.

Tags

CCSS.6.SP.B.5B