Interpreting and making predictions with Scatter Plots

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What is a scatter plot?

Back

A scatter plot is a graph that shows the relationship between two quantitative variables by displaying data points on a two-dimensional grid.

Tags

CCSS.8.SP.A.1

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What does a line of best fit represent in a scatter plot?

Back

A line of best fit is a straight line that best represents the data on a scatter plot, indicating the general direction of the relationship between the variables.

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CCSS.8.EE.B.5

Front

What does a positive correlation in a scatter plot indicate?

Back

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 in a scatter plot indicate?

Back

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

Tags

CCSS.HSS.ID.B.5

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What does no correlation mean in a scatter plot?

Back

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

Tags

CCSS.HSS.ID.B.5

Front

How can you estimate a value using a scatter plot?

Back

You can estimate a value by locating the corresponding point on the scatter plot and reading the value from the axis.

Front

What is the purpose of using a scatter plot in statistics?

Back

The purpose of using a scatter plot is to visually display the relationship between two variables and to identify trends, patterns, or correlations.

Tags

CCSS.8.SP.A.1

Front

What is the difference between correlation and causation?

Back

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.RL.7.7

CCSS.RL.8.7

CCSS.RL.9-10.7

Front

How do you determine the strength of a correlation in a scatter plot?

Back

The strength of a correlation can be determined by how closely the data points cluster around the line of best fit; tighter clusters indicate stronger correlations.

Tags

CCSS.HSF-LE.A.1B

Front

What is an example of a positive relationship in a scatter plot?

Back

An example of a positive relationship is the correlation between hours studied and exam scores, where more study time generally leads to higher scores.

Tags

CCSS.HSF-LE.A.1B