Continuous Variables
Nominal Predictor Variable(s)​
and a Continuous Outcome Variable​
100

 

Pearson Correlation Coefficient 

100

Nominal Predictor Value, One Continuous Outcome, or One Predictor?

Gender (female and male) on exam performance 

Nominal Predictor Value

Categories individuals into distinct groups without hierarchy. 

200

Association or Prediction? 

Amount of sleep and their stress level 


Association - Pearson Correlation Coefficient 

200

Nominal Predictor Value, One Continuous Outcome, or One Predictor?

Exam Score

One Continuous Outcome 


It can take any value within the range, such as 0-100. 


300

ZY= (Rxy)(Zx)

Prediction - Regression

300

Nominal Predictor Value, One Continuous Outcome, or One Predictor?

Hours of sleep when studying its effect on memory retention. 

One Predictor 

Determine if there's a correlation between the amount of sleep and how well an individual retains information. 

400

Association or Prediction? 

Estimating someone's lifespan based on their level of physical activity. 

Prediction - Regression 

500

Represents strength and direction 

Association - Pearson Correlation Coefficient