Scatterplot Correlation

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What is a scatterplot?

Back

A scatterplot is a graphical representation of two variables where each point represents an observation. It helps to visualize the relationship between the variables.

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CCSS.8.SP.A.1

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What does a positive correlation indicate in a scatterplot?

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

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CCSS.HSS.ID.B.5

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What does a negative correlation indicate in a scatterplot?

Back

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

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CCSS.HSS.ID.B.5

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What does no correlation mean in the context of a scatterplot?

Back

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

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CCSS.HSS.ID.B.5

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How can you identify a positive correlation in a scatterplot?

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A positive correlation can be identified by a pattern where points slope upwards from left to right.

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CCSS.HSS.ID.B.5

Front

How can you identify a negative correlation in a scatterplot?

Back

A negative correlation can be identified by a pattern where points slope downwards from left to right.

Tags

CCSS.HSS.ID.B.5

Front

What is the purpose of using scatterplots in data analysis?

Back

Scatterplots are used to visually assess the relationship between two quantitative variables, helping to identify trends, correlations, and outliers.

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CCSS.8.SP.A.1

Front

What is the correlation coefficient?

Back

The correlation coefficient is a numerical measure of the strength and direction of a linear relationship between two variables, ranging from -1 to 1.

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CCSS.HSS.ID.C.8

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What does a correlation coefficient of 0 indicate?

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A correlation coefficient of 0 indicates no linear relationship between the two variables.

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CCSS.HSS.ID.B.5

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What is the difference between correlation and causation?

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Correlation indicates a relationship between two variables, while causation implies that one variable directly affects the other.

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CCSS.RI.7.7

CCSS.RI.8.7

CCSS.RI.9-10.7

CCSS.RL.7.7

CCSS.RL.8.7