Section 18 Simple Linear Regression: Example


18.1 Blood pressure data: Scatter plot


18.2 Important Questions

  • Is BMI useful to predict SBP?

  • What is the magnitude and direction of this effect?

  • How strong is the evidence?

  • Are there other predictors to explain the variability in SBP?

  • How many predictors will be useful to predict SBP?

  • How do we develop the model?

  • How to decide for predictors to be incorporated in the model?