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.

Front

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

Back

As one variable increases, the other variable also increases.

Front

What does a negative association indicate in a scatter plot?

Back

As one variable increases, the other variable decreases.

Front

What is a nonlinear association?

Back

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

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.

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.

Front

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

Back

The points trend upwards from left to right.

Front

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

Back

The points trend downwards from left to right.

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.