Lines of Best Fit

Front

What is a line of best fit?

Back

A line that best represents the data on a scatter plot, showing the overall trend of the data points.

Tags

CCSS.8.EE.B.5

Front

What does a positive association in a graph indicate?

Back

As one variable increases, the other variable also increases.

Tags

CCSS.HSF-LE.A.1B

Front

What does a negative association in a graph indicate?

Back

As one variable increases, the other variable decreases.

Tags

CCSS.HSF-LE.A.1B

Front

What is no correlation?

Back

There is no relationship between the two variables; changes in one do not affect the other.

Tags

CCSS.HSF-LE.A.1B

Front

How do you determine the line of best fit?

Back

By visually assessing the scatter plot and drawing a line that minimizes the distance from all points.

Front

What is a scatter plot?

Back

A graph that uses dots to represent the values obtained for two different variables.

Tags

CCSS.8.SP.A.1

Front

What does a linear relationship mean?

Back

A relationship between two variables that can be represented by a straight line.

Tags

CCSS.HSF-LE.A.1B

Front

What is the purpose of a line of best fit?

Back

To make predictions about one variable based on the value of another variable.

Tags

CCSS.HSF-LE.A.1B

Front

What does it mean if a scatter plot has no trend?

Back

The data points do not show any clear pattern or direction.

Tags

CCSS.HSS.ID.B.5

Front

What is the difference between correlation and causation?

Back

Correlation indicates a relationship between two variables, while causation indicates that one variable directly affects the other.

Tags

CCSS.HSS.ID.C.9