Final Exam Review 8th

Front

What is the formula for slope?

Back

Slope is defined as rise/run.

Front

What does a positive linear association in a scatterplot indicate?

Back

It indicates that the points form a roughly upward sloping line.

Front

What is the purpose of a line of best fit in a scatterplot?

Back

To show the general trend or relationship between two variables.

Front

What does it mean if as x increases, y decreases?

Back

This indicates a negative correlation.

Front

What is the y-intercept?

Back

The point where the line crosses the y-axis.

Front

What is a scatterplot?

Back

A graph that shows the relationship between two variables using dots.

Front

What does a negative correlation look like on a scatterplot?

Back

It appears as a downward sloping line.

Front

What is an outlier in a dataset?

Back

A data point that differs significantly from other observations.

Front

How can you identify a positive correlation in a scatterplot?

Back

When the points form a roughly upward sloping line.

Front

What is the x-intercept?

Back

The point where the line crosses the x-axis.