Data within the data cube has been ______ by specific dimensional values.
answer
summarized
question
The goal of business intelligence is to _____.
answer
support and improve decision making
question
Mastery over which subject is NOT required for being a data scientist?
answer
English
question
Which of the following is NOT a characteristic of a data scientist?
answer
business leadership skills
question
What is the projected shortage of data scientists in the USA, according to a McKinsey & Co. report?
answer
100,000 to 200,000
question
What determines the size of words in a word cloud?
answer
frequency of occurrence of the word in source documents
question
Which of the following is NOT considered business intelligence practice?
answer
Transaction processing
question
Suppose management wishes to start a BI project at your new job. Which of following will you recommend as the first step?
answer
Clarify business goals and design a project plan
question
Which of the following is a potential disadvantage with self-service BI?
answer
Can lead to over spending on unapproved data sources and business analytics tools.
question
One of the goals of business intelligence is to _________.
answer
present the results in an easy to understand manner
question
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?
answer
Create a data warehouse so that data from the factories are combined for BI analysis
question
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?
answer
Data visualization tool
question
Which of the following is NOT a commonly used BI tool?
answer
automated customer service
question
During modeling of the CRISP-DM method, we would ______.
answer
apply selected modeling techniques
question
From which vendor is the BI product Business Objects available?
answer
SAP
question
____ is the last phase of the six-phase CRISP-DM method.
answer
Deployment
question
The coefficient of determination, r squared, is ____.
answer
a number that indicates how well data fits the statistical model
question
Which of the following will be a 'fact' measure in a data cube used at a chain retail business?
answer
Sales revenue
question
_____ is used to explore large amounts of data for hidden patterns to predict future trends.
answer
Data mining
question
Which of these analysis methods describes neural computing?
answer
historical data is examined for patterns that are then used to make predictions
question
Which of the following is NOT a component of a KPI (key performance indicator)?
answer
format
question
The graphical representation that summarizes the steps a consumer takes in making the decision to buy your product and become a customer is called _____.
answer
a conversion funnel
question
Which of the following is NOT considered a BI and analytics tool?
answer
Online transaction processing
question
_________ encourages nontechnical end users to make decisions based on facts and analyses rather than intuition.
answer
Self-service analytics
question
Which of the following is NOT a core process associated with data management?
answer
process for gathering BI requirements
question
Which of the following is IBM's BI product?
answer
Cognos
question
Which of the following is NOT true about linear regression?
answer
the technique implies causality between the independent and the dependent variables
question
You are to advise XYZ so that their BI efforts are fruitful. Which among the following is the most crucial advice of all?
answer
There must be strong commitment from the management
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