Therefore, quantifying the relationship:
42.4% of customers in International Plan churned (137 / (137 + 186))
11.5% of customers not in International Plan churned (346 / (346 + 2,664))
Customers selecting International Plan more than 3X likely to leave company, as compared to those not in plan
Why does International Plan apparently cause customers to leave?
Data models predicting churn will likely include International Plan as predictor