{"blocks": [{"key": "6bee208f", "text": "Scenario", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "1c3fdea1", "text": "You are reviewing an A/B test dashboard and must explain statistical outputs to non-technical stakeholders.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "22683492", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "c44d8bda", "text": "What is a confidence interval and how would you interpret it in an experiment report? List two shortcomings of relying solely on p-values. Compare bar chart, box plot, and violin plot for displaying a distribution; give pros and cons. Explain the bias-variance trade-off in model evaluation.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "aa33afd6", "text": "Hints", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "c98ae8dd", "text": "Focus on interval meaning, type I error, effect size, visualization fidelity, and over/underfitting concepts.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}