Scatterplots

Front

What is a scatterplot?

Back

A scatterplot is a graph that displays values for typically two variables for a set of data. Each point on the graph represents an observation.

Tags

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.

Tags

CCSS.HSS.ID.B.5

Front

What does a negative correlation in a scatterplot indicate?

Back

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

Tags

CCSS.HSS.ID.B.5

Front

What does it mean if a scatterplot shows no correlation?

Back

No correlation means that 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

What is a line of best fit?

Back

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

Tags

CCSS.8.EE.B.5

Front

How can you identify a positive trend in a scatterplot?

Back

A positive trend is identified when the points on the scatterplot slope upwards from left to right.

Front

How can you identify a negative trend in a scatterplot?

Back

A negative trend is identified when the points on the scatterplot slope downwards from left to right.

Front

What is the purpose of using a scatterplot?

Back

The purpose of using a scatterplot is to visually display the relationship between two quantitative variables.

Tags

CCSS.8.SP.A.1

Front

What does it mean if the data points in a scatterplot are widely spread out?

Back

Widely spread out data points indicate a weak correlation between the variables.

Tags

CCSS.HSS.ID.B.5

Front

What is the significance of outliers in a scatterplot?

Back

Outliers are data points that differ significantly from other observations and can affect the overall trend and analysis of the data.

Tags

CCSS.8.SP.A.1