Correlation Coefficient

Front

What is a correlation coefficient?

Back

A statistical measure that describes the strength and direction of a relationship between two variables.

Front

What does a positive correlation indicate?

Back

As one variable increases, the other variable also increases.

Front

What does a negative correlation indicate?

Back

As one variable increases, the other variable decreases.

Front

What does a correlation coefficient of 0 mean?

Back

It indicates no correlation or association between the two variables.

Front

What is a strong correlation?

Back

A correlation coefficient close to 1 or -1, indicating a strong relationship between the variables.

Front

What is a weak correlation?

Back

A correlation coefficient close to 0, indicating a weak relationship between the variables.

Front

What is a scatter plot?

Back

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

Front

What does a scatter plot with a positive linear association look like?

Back

Dots that slope upwards from left to right.

Front

What does a scatter plot with a negative linear association look like?

Back

Dots that slope downwards from left to right.

Front

What is nonlinear association?

Back

A relationship between variables that does not follow a straight line.