Scatter Plots Review

Front

What is a scatter plot?

Back

A scatter plot is a graph that shows the relationship of two data sets.

Front

What does a positive correlation indicate in a scatter plot?

Back

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

Front

What does a negative correlation indicate in a scatter plot?

Back

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

Front

What does 'no correlation' mean in the context of scatter plots?

Back

No correlation means there is no discernible relationship between the two variables.

Front

How can you identify a positive correlation in a scatter plot?

Back

A positive correlation can be identified by points that trend upwards from left to right.

Front

How can you identify a negative correlation in a scatter plot?

Back

A negative correlation can be identified by points that trend downwards from left to right.

Front

What is the purpose of a trend line in a scatter plot?

Back

A trend line is used to show the general direction of the data points and can help predict values.

Front

If a scatter plot shows no correlation, what might that look like?

Back

It would look like a random scatter of points with no clear pattern.

Front

What type of correlation is shown if the points on a scatter plot form a straight line going upwards?

Back

Positive correlation.

Front

What type of correlation is shown if the points on a scatter plot form a straight line going downwards?

Back

Negative correlation.