{"blocks": [{"key": "5e54b0fb", "text": "Scenario", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "42c112b3", "text": "A/B testing and product analytics discussions", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "b3736588", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "2d89960c", "text": "Walk me through how you would design, run, and analyze an A/B test for a new checkout feature. Case study: PayPal plans to launch a cashback program. How would you evaluate its success, what metrics would you track, and what data would you need?", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "72b6b1b7", "text": "Hints", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "9fc0a4e6", "text": "State hypothesis, choose primary & guardrail metrics, randomization, sample-size, test duration, segmentation, analysis plan.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}