Comparing Segments: Basic vs Plus Curves and a Simple Log-Rank Test
This lesson is part of the course
In this lesson
You draw the survival curves of the Basic and the Plus plan, work out how many Basic customers would have churned if both plans were equally risky, and test the gap with a simplified log-rank chi-square.
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Lessons in this course
- Tenure and the Churn Flag: Censoring at a Cut-Off Date Locked
- The Monthly Hazard Rate by Tenure Month Locked
- The Survival Curve S(t) = Π(1 − h) and the Median Lifetime Locked
- Kaplan-Meier with Censored Customers: Step Table and Curve Locked
- Comparing Segments: Basic vs Plus Curves and a Simple Log-Rank Test Locked
- Expected Lifetime and LTV from the Survival Curve Locked
- Churn Drivers: Churn Rate by Attribute and Lift Locked
- Retention Intervention ROI: Who Should Get the Save Offer? Locked