Quiz 1 1. For companies to attract and retain their best customers they need a

WGU C207 Data Driven Decision Making Quizzes 2024/25 (Quiz 1) 1. 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

B (Quiz 1) 2. 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

C (Quiz 1) 3. 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

D 1 / 3

(Quiz 1) 4. An Educator develops a new standardized test to measure math skills of ninth graders. She has students in her home state of Ohio take the test. If the test is to be used on a national level, what type of error might be found in her data?

• Omission Error
• Systematic Error
• Measurement Bias
• Information Bias

C (Quiz 1) 5. 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

B (Quiz 1) 6. 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

D (Quiz 1) 7. 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 2 / 3

• Data collection
• Review of previous findings
• Presenting a recommendation

A & C (Quiz 1) 8. 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

A & D (Quiz 1) 9. Runners cover 26.2 miles in the Olympics marathon. What level of measurement is this?

• Nominal
• Ordinal
• Interval
• Ratio

D (Quiz 1) 10. What level of measurement is the type of cars produced in Ford factory?

• Nominal
• Ordinal
• Interval
• Ratio

A

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