Line of Best Fit Review

Front

What is the equation of the line of best fit?

Back

Front

What type of association does a negative correlation indicate?

Back

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

Front

Which scatter plot shows a linear relationship between x and y?

Back

Graph C shows a linear relationship between x and y.

Front

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

Back

Front

Is the line of best fit always accurate?

Back

No, the line of best fit is an estimate and may not perfectly represent all data points.

Front

What does a positive association in a graph indicate?

Back

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

Front

How do you determine the slope of a line from its equation?

Back

Front

What is a scatter plot?

Back

A scatter plot is a graph that shows the relationship between two variables using dots to represent data points.

Front

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

Back

It means there is no discernible pattern or relationship between the two variables.

Front

How can you visually assess the line of best fit on a scatter plot?

Back

You can visually assess the line of best fit by drawing a straight line that best represents the trend of the data points.