Scatter Plots Review

Front

What is a scatter plot?

Back

A graph that shows the relationship of two data sets.

Front

What is the purpose of a line of best fit?

Back

To make predictions based on the data.

Front

What does a positive correlation indicate in a scatter plot?

Back

As one variable increases, the other variable also increases.

Front

What does a negative correlation indicate in a scatter plot?

Back

As one variable increases, the other variable decreases.

Front

What does no association mean in a scatter plot?

Back

There is no discernible relationship between the two variables.

Front

How can you determine the line of best fit visually?

Back

It should pass through the middle of the data points as closely as possible.

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.

Front

If Joe earned $400, how many hours did he work if the scatter plot indicates 25 hours?

Back

25 hours.

Front

What type of data is best represented by a scatter plot?

Back

Bivariate data, which involves two different variables.