Scatter Plots & Correlation Coefficients

Front

What does a correlation coefficient of 1 represent?

Back

A strong positive correlation.

Front

What does a correlation coefficient of -1 represent?

Back

A strong negative correlation.

Front

What does a correlation coefficient of 0 represent?

Back

No correlation.

Front

What does a negative correlation indicate?

Back

One set of data increases as the other set decreases.

Front

What does a positive correlation indicate?

Back

Both sets of data values increase together.

Front

What does it mean when we say 'correlation does not mean causation'?

Back

A strong correlation sometimes implies a cause-and-effect relationship.

Front

What is a scatter plot?

Back

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

Front

What does a scatter plot with a positive correlation look like?

Back

Dots that slope upwards from left to right.

Front

What does a scatter plot with a negative correlation look like?

Back

Dots that slope downwards from left to right.

Front

What does a scatter plot with no correlation look like?

Back

Dots that are scattered randomly with no discernible pattern.