Correlation Coefficient Practice

Front

What is the correlation coefficient?

Back

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

Front

What does a correlation coefficient of 0 indicate?

Back

No correlation between the two variables.

Front

What does a positive correlation coefficient indicate?

Back

As one variable increases, the other variable also tends to increase.

Front

What does a negative correlation coefficient indicate?

Back

As one variable increases, the other variable tends to decrease.

Front

What is the range of the correlation coefficient?

Back

The correlation coefficient ranges from -1 to +1.

Front

What does a correlation coefficient of +1 signify?

Back

A perfect positive correlation between two variables.

Front

What does a correlation coefficient of -1 signify?

Back

A perfect negative correlation between two variables.

Front

What is a scatter plot?

Back

A graphical representation of two variables, showing the relationship between them.

Front

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

Back

Data points cluster closely around a line that slopes upwards from left to right.

Front

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

Back

Data points cluster closely around a line that slopes downwards from left to right.