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 represents an observation in the dataset.

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 no correlation mean in a scatterplot?

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 identify a positive correlation in a scatterplot?

Back

A positive correlation can be identified by points that slope upwards from left to right.

Front

How can you identify a negative correlation in a scatterplot?

Back

A negative correlation can be identified by points that slope downwards from left to right.

Tags

CCSS.HSS.ID.B.5

Front

What is the purpose of using scatterplots?

Back

Scatterplots are used to visually assess the relationship between two quantitative variables.

Tags

CCSS.8.SP.A.1

Front

What does the term 'outlier' mean in the context of scatterplots?

Back

An outlier is a data point that differs significantly from other observations in the dataset, potentially indicating an anomaly.

Tags

CCSS.8.SP.A.1

Front

What is the significance of the trend line in a scatterplot?

Back

A trend line summarizes the relationship between the variables, showing the general direction of the data points.

Tags

CCSS.8.SP.A.2

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.

Tags

CCSS.RI.7.7

CCSS.RI.8.7

CCSS.RI.9-10.7

CCSS.RL.7.7

CCSS.RL.8.7