ISQS 2340 Exam 2 Review TTU- Mitchell;
Questions & Answers 100% Solved
What is a data-driven culture? Correct answer-A data-driven culture uses data-driven
decision making
Examples of Google using data and analytics? Correct answer-At Google. decisions are
based on data, analytics and scie...
ISQS 2340 Exam 2 Review TTU- Mitchell;
Questions & Answers 100% Solved
What is a data-driven culture? Correct answer-A data-driven culture uses data-driven
decision making
Examples of Google using data and analytics? Correct answer-At Google. decisions are
based on data, analytics and scientific experimentation.
Tried to answer the question of: Do managers matter?Determine the data to use (see what's
available and what might be needed) • Performance reviews (top-down) and employee surveys
(bottom-up) of managers • Looking for variability: Top and bottom quartiles • Analyze the data
using statistical methods
The abundance of data, and its implications and the potential benefits from analytics for
businesses? Correct answer-Big Data - The sheer volume of data
Purpose and usefulness of Tableau and data visualization in general? Correct answer-
Data visualization is not a personal preference, to be done "just in case some people are more
visual." It is a necessity! • The previous slide is a classic example of how some insights can only
be found through visualization. Remember the picture superiority effect: pictures are retained
at much higher rates than words.A good visualization reduces the time to insight.
Value creation with data analytics (think exchange transactions and uncertainties)?
Correct answer-NO pie charts! Yes to scatterplots for exploring relationships. Yes to
treemaps for relative proportions. Orient data so people can read it (better to have a horizontal
bar chart than a vertical bar chart). Filled maps with only one measure, dash boarding
what is blockchain technology? Correct answer-A blockchain is a distributed ledger of
transactions
Blockchains lineage (where it came from/ first used)? Correct answer-A block consists of
multiple timestamped transactions • Multiple blocks are joined together in a chain • Nodes are
connected devices that have a copy of the entire blockchain • The nodes are periodically
synchronized to ensure consensus
What are the main parts of blockchain technology? Correct answer-1. Users initiate
transactions using their Digital Signatures. 2. Users Broadcast transactions to Nodes. 3. One or
more Nodes begin validating each transaction. 4.Nodes aggregate validated transactions into
Blocks. 5. Nodes broadcast blocks to each other. 6. Consensus protocol used. 7. Block reflecting
"true state" is chained to prior Block.
Implications of blockchain buyers, sellers, and the middleman? Correct answer-The
blockchain has the potential to reinvent any transaction that now requires going through a
middleman, including finance, banking, contacts, and retail.
Blockchain applications Correct answer-• Cryptocurrencies, such as Bitcoin, Ethereum,
Litecoin, etc. • Digital identity • Any application where a secure, immutable record must be
shared between multiple parties • ensuring product authenticity • recording real estate
transactions • secure medical records
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