Scatterplots

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What is a scatterplot?

Back

A scatterplot is a graphical representation that displays the relationship between two quantitative variables, using dots to represent data points.

Tags

CCSS.8.SP.A.1

Front

What does a positive correlation in a scatterplot indicate?

Back

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

Tags

CCSS.HSS.ID.B.5

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What does a negative correlation in a scatterplot indicate?

Back

A negative correlation indicates that as one variable increases, the other variable tends to decrease.

Tags

CCSS.HSS.ID.B.5

Front

What does no correlation mean in a scatterplot?

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No correlation means that there is no discernible relationship between the two variables; changes in one do not predict changes in the other.

Tags

CCSS.HSS.ID.B.5

Front

What is the purpose of using scatterplots?

Back

Scatterplots are used to visually assess the relationship between two variables, helping to identify trends, correlations, or patterns.

Tags

CCSS.8.SP.A.1

Front

What is a linear relationship in a scatterplot?

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A linear relationship is when the data points in a scatterplot can be approximated by a straight line, indicating a consistent rate of change.

Tags

CCSS.8.F.A.3

Front

What is a nonlinear relationship in a scatterplot?

Back

A nonlinear relationship is when the data points do not form a straight line, indicating that the rate of change varies.

Tags

CCSS.8.F.A.3

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How can you predict values using a scatterplot?

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You can predict values by observing the trend in the scatterplot and estimating the value based on the relationship shown.

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What does the term 'association' refer to in the context of scatterplots?

Back

Association refers to the relationship between two variables, which can be positive, negative, or nonexistent.

Tags

CCSS.HSS.ID.B.5

Front

What is the significance of outliers in a scatterplot?

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Outliers are data points that fall far from the trend of the rest of the data, which can indicate anomalies or errors in data collection.

Tags

CCSS.8.SP.A.1