{"blocks": [{"key": "533ce964", "text": "Scenario", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "52113e94", "text": "Statistics role-play: investigating airline flight delays", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "31b93b68", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "ff4beab7", "text": "How would you design and execute a statistical analysis to understand and reduce airline flight delays? Define your hypotheses, required data, statistical tests or models, and how you would quantify and communicate uncertainty.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "fc954845", "text": "Hints", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "072a02b9", "text": "Discuss descriptive stats, hypothesis testing, regression, confidence intervals, and actionable insights.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}