Beginner · 30 min · 5 steps
Which payment method has the most failures and refunds?
Aditya Nair, Senior Fintech Risk Analyst at PayRail Checkout
It is Thursday, 8:30 AM. Aditya Nair is a risk analyst at PayRail Checkout, a company that runs the payment page for over 12,000 online shops in India and moves more than ₹12 crore every day. He has been called to an urgent meeting with the finance head (CFO). Last night's check found ₹18,40,000 in refund claims and disputed payments that nobody could match to an order.
The question
Which payment method works best, and which one puts the business at the biggest risk of refunds?
- Payment analytics
- Pandas crosstab
- Refund rates
- Value normalization
The rest of this case study is locked
The data, every step with its code and result, and the final answer open with a pass. A few case studies stay free so you can see how they work.