Scatterplots

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What is a scatterplot?

Back

A scatterplot 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

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.

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CCSS.HSS.ID.B.5

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What does a negative correlation in a scatterplot indicate?

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

Tags

CCSS.HSS.ID.B.5

Front

What is an outlier in a scatterplot?

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An outlier is a data point that is significantly different from other observations, often lying far away from the main cluster of points.

Tags

CCSS.8.SP.A.1

Front

How can you identify a strong correlation in a scatterplot?

Back

A strong correlation is indicated by points that are closely clustered around a straight line.

Tags

CCSS.HSS.ID.B.5

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What does 'no correlation' mean in a scatterplot?

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No correlation means there is no apparent relationship between the two variables; the points are scattered randomly.

Tags

CCSS.HSS.ID.B.5

Front

What is the purpose of using scatterplots?

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

Tags

CCSS.8.SP.A.1

Front

What type of correlation is shown when temperature increases and ice cream sales increase?

Back

Positive correlation.

Tags

CCSS.HSS.ID.B.5

Front

What type of correlation is shown when temperature increases and the number of people wearing jackets decreases?

Back

Negative correlation.

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CCSS.HSF-LE.A.1B

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What does a 'positive linear strong' association look like in a scatterplot?

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It appears as a tight cluster of points that slope upwards from left to right.

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CCSS.HSF.IF.B.4