In this episode, we will discuss why Walmart relies on online experimentation to drive data-driven decisions and how reducing variance is a crucial challenge to making these experiments more efficient. We will also introduce the CUPED methodology, explaining how Walmart leverages it to speed up its experimentation process, enabling faster, more reliable insights for continuous improvement.

For more details, you can refer to their published tech blog, linked here for your reference: 
https://medium.com/walmartglobaltech/how-walmart-leverages-cuped-and-reduces-experimentation-lifecycle-eae2446c2ee4