Quiz 9_2
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School
Liberty University *
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Course
MISC
Subject
Information Systems
Date
Jun 26, 2024
Type
docx
Pages
5
Uploaded by PapaBear31
Question 1 2 / 2 pts Which of the following is NOT
considered a BI and analytics tool?
Data visualization
Drill-down analysis
Online transaction processing
Data mining
Question 2 2 / 2 pts Which of the following is a potential disadvantage
with self-service BI?
Accelerates and improves decision making.
Can lead to over spending on unapproved data sources and business analytics tools.
Encourages nontechnical end users to make decisions based on facts and analyses rather than intuition.
Gets valuable data into the hands of the people who need it the most—end users.
Question 3 2 / 2 pts Some insurance companies can detect fraudulant claims using BI software
.
True
False
Question 4 2 / 2 pts The goal of business intelligence is to _____.
provide access to novel tools to the users
reduce the cost of data processing
support and improve decision making
improve employee morale
Question 5 2 / 2 pts Data governance involves identifying people who are responsible for fixing and preventing issues with data.
True
False
Question 6 2 / 2 pts During modeling of the CRISP-DM method, we would ______.
clarify business goals for the data mining project
select a subset of data to be used and prepare it
assess if the model achieves business goals
apply selected modeling techniques
Question 7 2 / 2 pts One of the goals of business intelligence is to _________.
educate the users about business statistics
ensure the transaction data is properly stored
present the results in an easy to understand manner
use the most sophisticated techniques
Question 8 2 / 2 pts Suppose you are good in math and statistics. Adding programming to your skill-set will be necessary if you want to be a data scientist.
True
False
Question 9 2 / 2 pts Which of the following is NOT
a core process associated with data management?
p
rocess for obtaining data
process for certifying it fit for use
process for gathering BI requirements
process for storage
Question 10 2 / 2 pts Suppose you have access to quantitative data on populations by ZIP code and crime rates. You wish to determine if there is a relationship between the two variables and display the results in a graph. Which BI tool will be most useful?
Word cloud tool
Q
uerying tool
Reporting tool
Data visualization tool
Question 11 2 / 2 pts Power Pivot and Power Query are components of Microsoft's Power BI tool
.
True
False
Question 12 2 / 2 pts The coefficient of determination, r squared, is ____.
the same as the error term in a linear regression
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a number that indicates how well data fits the statistical model
a number that must be close to zero to be useful
the same as the slope of the linear regression
Question 13 2 / 2 pts Users still need help from the IT function of the organization to create customer reports using modern reporting tools.
True
False
Question 14 2 / 2 pts Suppose your employer has four manufacturing units, each with its own data operations. They are considering using BI tools. Which of the following is a valid recommendation regarding the BI initiative?
Automate data entry at the factories for reduction in error rates
Implement BI tools in each factory separately
Create a data warehouse so that data from the factories are combined for BI analysis
None of these answers
Question 15 2 / 2 pts Which of these analysis methods describes neural computing?
a specialized set of algorithms sorts through data and forms statistical rules about relationships among the items
historical data is examined for patterns that are then used to make predictions
historical if-then-else cases are used to recognize patterns
a mathematical procedure to predict the value of a dependent variable based on a single independent variable