What is a data-driven culture? - (correct answer) -A data-driven culture uses data-
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driven decision making LI LI
Examples of Google using data and analytics? - (correct answer) -At Google. LI LI LI LI LI LI LI LI LI LI LI
decisions are based on data, analytics and scientific experimentation.
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Tried to answer the question of: Do managers matter?Determine the data to use (see
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what's available and what might be needed) • Performance reviews (top-down) and
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employee surveys (bottom-up) of managers • Looking for variability: Top and bottom
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quartiles • Analyze the data using statistical methods
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The abundance of data, and its implications and the potential benefits from analytics
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for businesses? - (correct answer) -Big Data - The sheer volume of data
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• Increased efficiency • Improved operations • Enhanced customer retention
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Purpose and usefulness of Tableau and data visualization in general? - (correct LI LI LI LI LI LI LI LI LI LI LI
answer) -Data visualization is not a personal preference, to be done "just in case
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some people are more visual." It is a necessity! • The previous slide is a classic
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example of how some insights can only be found through visualization. Remember
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the picture superiority effect: pictures are retained at much higher rates than words.A
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good visualization reduces the time to insight.
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Value creation with data analytics (think exchange transactions and uncertainties)? -
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(correct answer) -NO pie charts! Yes to scatterplots for exploring relationships. Yes
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to treemaps for relative proportions. Orient data so people can read it (better to have
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a horizontal bar chart than a vertical bar chart). Filled maps with only one measure,
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dash boarding
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what is blockchain technology? - (correct answer) -A blockchain is a distributed
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ledger of transactions
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Blockchains lineage (where it came from/ first used)? - (correct answer) -A block LI LI LI LI LI LI LI LI LI LI LI LI
consists of multiple timestamped transactions • Multiple blocks are joined together in
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