Scatter Plots

Front

What is a scatter plot?

Back

A graph that shows the relationship of two data sets.

Front

What does a positive correlation in a scatter plot indicate?

Back

As one variable increases, the other variable also increases.

Front

What does a negative correlation in a scatter plot indicate?

Back

As one variable increases, the other variable decreases.

Front

What is the purpose of a line of best fit in a scatter plot?

Back

To summarize the relationship between the data points and make predictions.

Front

How do you determine the slope of a line in a scatter plot?

Back

By calculating the change in y over the change in x (rise over run).

Front

What does a slope of -2 indicate in a scatter plot?

Back

For every 1 unit increase in x, y decreases by 2 units.

Front

What is the equation of a line of best fit?

Back

An equation that represents the trend of the data points in a scatter plot.

Front

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

Back

There is no predictable relationship between the two variables.

Front

What is the x-axis typically used for in a scatter plot?

Back

To represent the independent variable.

Front

What is the y-axis typically used for in a scatter plot?

Back

To represent the dependent variable.