{"blocks": [{"key": "27ac6b37", "text": "Scenario", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "ae17eaaa", "text": "Statistical deep-dive on comment distribution for a social platform feature.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "a9b5235b", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "ff07f539", "text": "How would you compute the expected value of the number of comments per post? State the Central Limit Theorem and its relevance here. When should you use population standard deviation versus sample standard deviation for comment counts? Construct and interpret a 95% confidence interval for the mean comments per post.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "a2b03b5e", "text": "Hints", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "c6c21103", "text": "Define assumptions, formulas, and sample size requirements; show derivations briefly.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}