Types of Correlation (3.2B Review)

Front

What is negative correlation?

Back

Negative correlation means that as the independent variable increases, the dependent variable decreases.

Front

What is positive correlation?

Back

Positive correlation means that as the independent variable increases, the dependent variable also increases.

Front

True or False: There is NO correlation if there is no relationship between the independent and dependent variables.

Back

True

Front

What type of correlation exists between the number of days absent from school and your math grade?

Back

Negative correlation.

Front

What type of correlation exists between education level and income?

Back

Positive correlation.

Front

Define correlation in statistics.

Back

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

Front

What does a correlation coefficient of +1 indicate?

Back

A correlation coefficient of +1 indicates a perfect positive correlation.

Front

What does a correlation coefficient of -1 indicate?

Back

A correlation coefficient of -1 indicates a perfect negative correlation.

Front

What does a correlation coefficient of 0 indicate?

Back

A correlation coefficient of 0 indicates no correlation between the variables.

Front

Give an example of a negative correlation in real life.

Back

An example of negative correlation is the relationship between the number of hours spent watching TV and grades in school.