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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?


A) ​Automate data entry at the factories for reduction in error rates
B) ​Implement BI tools in each factory separately
C) Create a data warehouse so that data from the factories are combined for BI analysis
D) ​None of these answers

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Often times, information on dashboards are color coded, using the color ____ for problem areas.

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Which of the following is a potential disadvantage with self-service BI?


A) ​Accelerates and improves decision making.
B) ​Can lead to over spending on unapproved data sources and business analytics tools.
C) ​Encourages nontechnical end users to make decisions based on facts and analyses rather than intuition.
D) ​Gets valuable data into the hands of the people who need it the most-end users.

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One of the goals of business intelligence is to _________.


A) ​present the results in an easy to understand manner
B) educate the users about business statistics
C) ensure the transaction data is properly stored
D) use the most sophisticated techniques

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Which of the following is NOT a commonly used BI tool?


A) ​​data visualization
B) linear regression
C) ​drill-down analysis
D) ​automated customer service

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To analzye various alternative scenarios, a manager would use _______.


A) ​the spreadsheet's 'what-if' capability
B) the graphing features of spreadsheet software
C) the reporting feature of a BI tool
D) ​a data visualization tool

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A

_______ tools can present data in an easy-to-understand fashion via formatted data, graphs, and charts.

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reporting
...

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Mastery over which subject is NOT required for being a data scientist?


A) ​Computer science
B) Mathematics
C) Statistics
D) English

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D

What determines the size of words in a word cloud?


A) ​length of the word or phrase
B) ​difficulty in pronouncing the word or phrase
C) ​whether the word is a pronoun
D) ​frequency of occurrence of the word in source documents

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Which of the following is IBM's BI product?


A) ​Power BI
B) ​Business objects
C) Cognos
D) ​Hyperion

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Suppose you wish to predict the value of shopping cart contents (order total), based on the amount of time the customer spent at the online store site. In a linear regression model, you will use order total as the ____ variable .

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Y Response dependent

Which of the following will be a 'fact' measure in a data cube used at a chain retail business?


A) Sales revenue
B) ​Month name
C) Product category
D) ​City name

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Which of the following is NOT considered business intelligence practice?


A) ​Data extraction
B) Visualization
C) ​Analysis
D) Transaction processing

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Which of the following is NOT a characteristic of a data scientist?


A) ​strong business acumen
B) ​a deep understanding of analytics
C) ​a healthy appreciation of the limitations of their data
D) business leadership skills

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In OLAP data cubes, you would likely find numeric measures categorized by time and geography.

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Linear regression is useful when you wish to predict the value of a quantitative variable based on a another quantitative variable.

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Which of these analysis methods describes neural computing?


A) a ​specialized set of algorithms sorts through data and forms statistical rules about relationships among the items
B) ​historical data is examined for patterns that are then used to make predictions
C) ​historical if-then-else cases are used to recognize patterns
D) ​a mathematical procedure to predict the value of a dependent variable based on a single independent variable

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From which vendor is the BI product Business Objects available?


A) ​IBM
B) SAP
C) ​​Google
D) ​Microsoft

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If you wish to present traffic trends on your company's Website, a _____ format is preferable to tabular formats.

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What is the projected shortage of data scientists in the USA, according to a McKinsey & Co. report?


A) ​100,000 or less
B) ​100,000 to 200,000
C) 200,000 to 500,000
D) more than 500,000

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