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WGU C207 DATA DRIVEN DECISION-MAKING
EXAM 200 QUESTIONS AND VERIFIED SOLUTIONS
LATEST UPDATE THIS YEAR
QUESTION: A city government is trying to determine the national origins of its recent immigrant population. If a survey of the immigrant population is conducted in English what type of error might be present in the data?
- Random
- Omission
- Outlier
- Accuracy - ANSWER-b
QUESTION: The use of Big Data is increasingly important to businesses in competitive markets.Which of the following characteristics is not true of big data?
- Requires the use of analytics
- Contains structured data
- Contains unstructured data
- Can be analyzed with traditional spreadsheets - ANSWER-d
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QUESTION: The Davenport-Kim three-stage model consists of framing the problem, solving the problem, and communicating results. Which two of the following are part of framing the problem stage?
- Determine the scope of the problem
- Data collection
- Review of previous findings
- Presenting a recommendation - ANSWER-a, c
QUESTION: A healthcare provider is researching blood glucose levels before and after exercising. What two elements should be part of any experimental study such as this?
- Treatment procedures
- Patient observation
- Statistical validity
- Experimental response - ANSWER-a, d
QUESTION: Runners cover 26.2 miles in the Olympics marathon. What level of measurement is this?
- Nominal
- Ordinal
- Interval
- Ratio - ANSWER-d 2 / 4
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QUESTION: What level of measurement is the type of cars produced in Ford factory?
- Nominal
- Ordinal
- Interval
- Ratio - ANSWER-a
QUESTION: What level of measurement is this the 10 best cities in the U.S. to retire in?
- Nominal
- Ordinal
- Interval
- Ratio - ANSWER-b
QUESTION: What level of measurement are women's dress sizes (2,4,6, etc.)?
- Nominal
- Ordinal
- Interval
- Ratio - ANSWER-c 3 / 4
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QUESTION: For companies to attract and retain their best customers they need a complete portrait of who they are. To develop this portrait companies turn to...
- Statistics
- Analytics
- Management Science
- Histograms - ANSWER-b
QUESTION: A manufacturer wants to maximize their factory output while specifically minimizing labor costs. What type of analytics might they employ to achieve this goal?
- Descriptive Analytics
- Predictive Analytics
- Prescriptive Analytics
- Diagnostic Analytics - ANSWER-c
QUESTION: What type of data error that occurs in measurement is constant within a data set and is sometimes caused by faulty equipment or bias?
- Random
- Omission
- Outlier
- Systematic - ANSWER-d
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