Perfect Negative Correlation

Distinction Between Negative and No Correlation

Example of Negative Correlation: Sleep and GPA

Visual Example of Negative Correlation: Tiredness and Sleep

A researcher studying public health observes that in several cities, as the number of public parks and green spaces increases, the average reported stress level of the residents tends to decrease. Which of the following best describes this observed relationship?

A psychologist observes that as the number of hours a person spends exercising per week increases, their reported levels of stress tend to decrease. Which of the following best describes the relationship between weekly exercise hours and stress levels found in this observation?

Example of Negative Correlation: Stressful Life Events and Happiness

Example of Negative Correlation: Tiredness and Sleep

Example of Negative Correlation: Television and Exam Grades

Example of a Negative Correlation: Stress and Immune System

Example of a Negative Correlation: Stress and Immune System

Example of a Negative Relationship: The Last Name Effect

Which of the following best describes how a negative relationship appears on a scatterplot?