Correlation Coefficient Review

Front

What is the correlation coefficient (r)?

Back

The correlation coefficient (r) is a statistical measure that describes the strength and direction of a relationship between two variables. It ranges from -1 to 1.

Front

What does an r-value of 0.99 indicate?

Back

An r-value of 0.99 indicates a very strong positive correlation between the two variables.

Front

What does an r-value of -0.90 indicate?

Back

An r-value of -0.90 indicates a strong negative correlation between the two variables.

Front

What does an r-value of 0.09 indicate?

Back

An r-value of 0.09 indicates a very weak positive correlation between the two variables.

Front

What does an r-value of -0.099 indicate?

Back

An r-value of -0.099 indicates a very weak negative correlation between the two variables.

Front

What is a positive correlation?

Back

A positive correlation means that as one variable increases, the other variable also tends to increase.

Front

What is a negative correlation?

Back

A negative correlation means that as one variable increases, the other variable tends to decrease.

Front

What is no correlation?

Back

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

Front

What is a strong positive correlation?

Back

A strong positive correlation indicates that the variables move in the same direction with a high degree of consistency.

Front

What is a strong negative correlation?

Back

A strong negative correlation indicates that the variables move in opposite directions with a high degree of consistency.