Line of Best Fit Review

Front

What is a line of best fit?

Back

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

Tags

CCSS.8.EE.B.5

Front

What does a positive linear association indicate in a scatter plot?

Back

As one variable increases, the other variable also increases.

Tags

CCSS.HSF.LE.B.5

Front

What does a negative association indicate in a scatter plot?

Back

As one variable increases, the other variable decreases.

Tags

CCSS.HSF-LE.A.1B

Front

What is a nonlinear association?

Back

A relationship between two variables that does not follow a straight line.

Tags

CCSS.8.F.A.3

Front

How do you determine if a line is an accurate line of best fit?

Back

By checking how closely the line follows the trend of the data points.

Tags

CCSS.HSF-LE.A.1B

Front

What is the purpose of making predictions using a line of best fit?

Back

To estimate values of one variable based on the known values of another variable.

Front

What does it mean if there is no correlation in a scatter plot?

Back

There is no apparent relationship between the two variables.

Tags

CCSS.HSS.ID.B.5

Front

How can you identify a scatter plot with a positive linear association?

Back

The points trend upwards from left to right.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Front

How can you identify a scatter plot with a negative linear association?

Back

The points trend downwards from left to right.

Tags

CCSS.HSF-LE.A.1B

Front

What is the significance of the slope in a line of best fit?

Back

The slope indicates the rate of change between the two variables.

Tags

CCSS.8.EE.B.5