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CE332 Information Visualization 2025-26
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Cognitive Limits: According to Miller’s Law, what is the mid-range number of 'chunks' of information that the human working memory can typically hold?
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Derived Sales: Using the formula Total Sales = [Price] * [Quantity], what is the result if a single record has a Product Price of 150 and a Quantity Sold of 3?
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Value Filtering: If a DAX filter is applied to a table of 1,000 records where the criteria is Amount > 10,000, and only 15% of the records meet this mathematical threshold, what is the numerical result of a COUNT function performed on the filtered set?
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Ratio Calculation: A Tableau user creates a calculated field for Profit Ratio defined as SUM([Profit]) / SUM([Sales]). If the dashboard shows a total Sales of 0.8M and a Profit of 0.1M for the West region, what is the resulting ratio expressed as a decimal?
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Selection Logic: Based on the calculated column formula HighSales = IF(Superstore[Sales] > 1000, 'High', 'Normal'), if you have a dataset with four sales values—500, 1050, 900, and 2500—how many records will be classified as 'High'?
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Aggregation Operators: If a Power BI analyst applies the AVERAGE aggregation operator to a column containing the following 'Quantity' values from a transaction table: 56, 52, 10, and 22. What is the calculated numerical result?
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Derived Attributes: An analyst calculates Delivery Time as the difference between Delivery Date and Order Date. If the Order Date is January 1st and the Delivery Date is January 6th, what is the numerical value for Delivery Time?
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Volumetric Resolution: A high-resolution 3D volume grid of size 1024³ contains approximately how many billions of voxels?
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Data Reduction: An analyst applies a filter to a dataset of 50,000 rows. According to the 'Analytical Impact' slide, a strategic filter can achieve a 90% Volume Reduction. How many rows of data remain for the visualization to process after such a reduction?
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Which interaction technique involves selecting data in one view to automatically highlight it in all other coordinated views?
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