Analyzing the Relationship between Two Variables

Questions:

• What is the nature of the relationship ?

ex. 1. father’s height vs son’s height

2. score on the math portion of the SAT and one’s

final grade in STAT 202

2. Can one of the variables explain the variability observed in the other?

ex. 1. an individual’s educational level and their

annual income.

2. auto insurance premium and year’s driving

experience.