Scatter Plots

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What is a scatter plot?

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

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CCSS.8.SP.A.1

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What does a positive correlation in a scatter plot indicate?

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

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CCSS.HSS.ID.B.5

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What does a negative correlation in a scatter plot indicate?

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A negative correlation indicates that as one variable increases, the other variable decreases.

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CCSS.HSS.ID.B.5

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What does 'no correlation' mean in the context of scatter plots?

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

Tags

CCSS.HSS.ID.B.5

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What is the purpose of a line of best fit in a scatter plot?

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The line of best fit is used to summarize the relationship between the variables and to make predictions based on the data.

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CCSS.8.EE.B.5

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How can you determine the type of correlation from a scatter plot?

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You can determine the type of correlation by observing the direction of the data points: upward for positive, downward for negative, and scattered for no correlation.

Tags

CCSS.HSS.ID.B.5

Front

What does the x-axis typically represent in a scatter plot?

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The x-axis typically represents the independent variable, which is the variable that is manipulated or changed.

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CCSS.8.F.A.1

CCSS.HSF.IF.B.5

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What does the y-axis typically represent in a scatter plot?

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The y-axis typically represents the dependent variable, which is the variable that is measured or observed.

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How can scatter plots be used in real-life applications?

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Scatter plots can be used in various fields such as economics, biology, and social sciences to analyze relationships between variables.

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CCSS.HSS.ID.B.5

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What is an example of a positive correlation in real life?

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An example of a positive correlation is the relationship between hours studied and test scores; generally, more study hours lead to higher scores.

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CCSS.HSS.ID.B.5