Causation/Correlation (2nd Period)

Front

What is correlation?

Back

Correlation is a statistical measure that describes the extent to which two variables change together.

Front

What does a strong positive correlation indicate?

Back

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

Front

What does a strong negative correlation indicate?

Back

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

Front

What is the range of correlation coefficients?

Back

The range of correlation coefficients is from -1 to 1.

Front

What does an r-value of 0 indicate?

Back

An r-value of 0 indicates no correlation between the two variables.

Front

What does an r-value of -0.9 indicate?

Back

An r-value of -0.9 indicates a strong negative correlation.

Front

What does an r-value of 0.9 indicate?

Back

An r-value of 0.9 indicates a strong positive correlation.

Front

What is causation?

Back

Causation means that one event is the result of the occurrence of another event.

Front

Give an example of causation.

Back

It started raining and the baseball game was delayed.

Front

What is the difference between correlation and causation?

Back

Correlation does not imply causation; just because two variables are correlated does not mean one causes the other.