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

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.

Tags

CCSS.HSS.ID.B.5

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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.

Tags

CCSS.HSS.ID.B.5

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.

Tags

CCSS.8.SP.A.2

Front

How can you estimate values using a trend line?

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

Tags

CCSS.8.F.A.3

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

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

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What is a nonlinear association?

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

Tags

CCSS.8.F.A.3

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How do you interpret a scatterplot?

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

Tags

CCSS.8.SP.A.1

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What is the purpose of using a scatterplot?

Back

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

Tags

CCSS.8.SP.A.1

Front

What is the significance of outliers in bivariate data?

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

Tags

CCSS.8.SP.A.1