{"blocks": [{"key": "d13b3b77", "text": "Scenario", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "ebc78b0f", "text": "You are preparing a Tableau dashboard for marketing managers who want reliable, fast filtering and correct data relationships across multiple data sources.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "e86376df", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "d2359923", "text": "a) Describe the key differences between a JOIN, a BLEND, and a RELATIONSHIP in Tableau. When would you choose each? b) Tableau provides six types of filters (extract, data source, context, dimension, measure, table calculation). Explain the order of operations and give a practical example where choosing the wrong level causes incorrect results. c) A stakeholder insists on using a pie chart to show 12 product categories. Recommend a better visualization choice and justify it.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "418b90cf", "text": "Hints", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "65b5eb1b", "text": "Cover performance, granularity, level-of-detail implications, and principles of effective visual encoding.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}