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