Scatter Plots

Front

What is a scatter plot?

Back

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

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CCSS.HSF-IF.C.7A

Front

What does a positive relationship in a scatter plot indicate?

Back

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

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CCSS.HSF.LE.B.5

Front

What does a negative relationship in a scatter plot indicate?

Back

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

Tags

CCSS.HSF.LE.B.5

Front

What does it mean if a scatter plot shows no relationship?

Back

It means that there is no discernible pattern between the two variables, and changes in one do not affect the other.

Tags

CCSS.HSS.ID.B.5

Front

What is a line of best fit?

Back

A line of best fit is a straight line that best represents the data on a scatter plot, showing the general direction of the data points.

Tags

CCSS.8.EE.B.5

Front

How can you use a scatter plot to make predictions?

Back

You can use the line of best fit to estimate the value of one variable based on the value of another variable.

Front

What does it mean if the points on a scatter plot are tightly clustered around the line of best fit?

Back

It indicates a strong correlation between the two variables.

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What does it mean if the points on a scatter plot are widely scattered?

Back

It indicates a weak correlation between the two variables.

Tags

CCSS.HSS.ID.B.5

Front

How do you interpret the slope of the line of best fit?

Back

The slope indicates the rate of change between the two variables; a steeper slope means a stronger relationship.

Tags

CCSS.8.EE.B.5

Front

What is the purpose of a scatter plot?

Back

The purpose of a scatter plot is to visually display the relationship between two quantitative variables.

Tags

CCSS.8.SP.A.1