Line of best Fit

Front

What is the line of best fit?

Back

The line of best fit is a straight line that best represents the data on a scatter plot. It shows the trend of the data points.

Tags

CCSS.8.EE.B.5

Front

What is the equation of a line in slope-intercept form?

Back

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

What does a positive slope indicate in a line of best fit?

Back

A positive slope indicates that as one variable increases, the other variable also increases.

Tags

CCSS.8.EE.B.5

Front

What does a negative slope indicate in a line of best fit?

Back

A negative slope indicates that as one variable increases, the other variable decreases.

Tags

CCSS.8.EE.B.5

Front

How do you determine the slope of a line of best fit?

Back

Tags

CCSS.8.EE.B.5

Front

What is the y-intercept in the equation of a line?

Back

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

What is the purpose of the line of best fit?

Back

The purpose of the line of best fit is to make predictions about the data and to summarize the relationship between the variables.

Tags

CCSS.8.SP.A.2

Front

What does it mean if a line of best fit has a steep slope?

Back

A steep slope indicates a strong relationship between the variables, meaning a small change in one variable results in a large change in the other.

Tags

CCSS.8.EE.B.5

Front

What does it mean if a line of best fit is horizontal?

Back

A horizontal line indicates no relationship between the variables; changes in one variable do not affect the other.

Front

What is correlation in the context of a line of best fit?

Back

Correlation refers to the strength and direction of a relationship between two variables, which can be positive, negative, or none.

Tags

CCSS.HSS.ID.B.5