Line of Best Fit

Front

What is a line of best fit?

Back

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

Tags

CCSS.8.EE.B.5

Front

How do you determine the line of best fit on a scatter plot?

Back

The line of best fit is determined by visually assessing the data points and drawing a line that minimizes the distance from all points to the line.

Tags

CCSS.8.EE.B.5

Front

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

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 in a line of best fit indicate?

Back

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

Tags

CCSS.8.EE.B.5

Front

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

Back

No correlation means that there is no apparent relationship between the two variables being plotted.

Tags

CCSS.HSS.ID.B.5

Front

How can you use a line of best fit to make predictions?

Back

You can use the line of best fit to estimate the value of one variable based on the value of another variable.

Front

What is the purpose of a trend line in data analysis?

Back

A trend line helps to visualize the general direction of the data points and can assist in making predictions.

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 indicates that one variable directly affects the other.

Tags

CCSS.HSS.ID.C.9

Front

What is an outlier in a scatter plot?

Back

An outlier is a data point that is significantly different from the other points in the dataset.

Tags

CCSS.8.SP.A.1

Front

How do you identify the line of best fit among multiple options?

Back

The line of best fit is the one that best represents the trend of the data points, minimizing the distance from all points.