Scatterplots Review Flashcard

Front

What is a scatterplot?

Back

A scatterplot is a graphical representation of two variables, showing the relationship between them using points on a Cartesian plane.

Tags

CCSS.8.SP.A.1

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 is a positive correlation in a scatterplot?

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 it mean if there is no correlation in a scatterplot?

Back

No correlation means that there is no discernible 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 the purpose of a 'Line of Best Fit' in a scatterplot?

Back

The 'Line of Best Fit' is used to summarize the relationship between the variables and to make predictions based on the data.

Tags

CCSS.8.SP.A.2

Front

How can you determine if a scatterplot shows a linear or non-linear relationship?

Back

A linear relationship can be identified if the points roughly form a straight line, while a non-linear relationship shows a curved pattern.

Tags

CCSS.8.F.A.3

Front

What factors can affect the accuracy of a 'Line of Best Fit'?

Back

Outliers, the distribution of data points, and the choice of the fitting method can all affect the accuracy of a 'Line of Best Fit'.

Tags

CCSS.8.SP.A.2

Front

What is the significance of outliers in a scatterplot?

Back

Outliers are data points that differ significantly from other observations and can skew the results and interpretation of the scatterplot.

Tags

CCSS.8.SP.A.1

Front

How do you interpret the slope of a 'Line of Best Fit'?

Back

The slope indicates the direction and strength of the relationship between the two variables; a positive slope indicates a positive correlation, while a negative slope indicates a negative correlation.

Tags

CCSS.8.SP.A.3

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.8.7

CCSS.RL.9-10.7