WGU C207 Pre Assessment Study Guide Exam Questions And Actual Answers.
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Course
WGU C207
Institution
WGU C207
Which term can be used to describe managerial decisions? - Answer Prescriptive
2 reasons for the increase in use of analytics in organizational decision making? - Answer 1. Relatively low cost of computer storage
2. Higher computer processing power
How does probability theory inform decisi...
WGU C207 Pre Assessment Study Guide
Exam Questions And Actual Answers.
Which term can be used to describe managerial decisions? - Answer Prescriptive
2 reasons for the increase in use of analytics in organizational decision making? - Answer 1. Relatively
low cost of computer storage
2. Higher computer processing power
How does probability theory inform decision-making for managers? - Answer By quantifying risk
Which type of data are the Olympic medals of gold, silver, and bronze examples of? - Answer Ordinal
data
What are two aspects of data quality management? - Answer 1. it reduces the amount of incomplete
data
2. it cleans data
2 attributes of data quality issues when evaluating sets of nominal data? - Answer 1. missing data
2. misspelled data
All scales are calibrated prior to use in measurement. Which type of error should this reduce? - Answer
Systemic error
An advertising manager creates a research study by presenting low, medium, or high frequency of the
same ad in matched markets. The manager then reports on sales in each market location. What is the
term for the different sales in this study? - Answer Response variable
A healthcare study follows a sample over time to identify how health habits of teenagers impact their
likelihood of acquiring disease later in life. Which type of research design does this study describe? -
, Answer Cohort study (a cohort study studies a group of people with a defining characteristic, typically
with a common event in a period, such as birth or graduation)
The likelihood of a record having a missing value is correlated to another variable in the dataset. Which
two types of errors might be introduced into the dataset if the removed record included missing values?
- Answer 1. Systematic Error
2. Omission error
Which two variables would be used in determining a campaign to maximize revenue gain from email
advertising? - Answer 1. Number of purchases per email
2. Spending per purchase
A company that raises turkeys is hoping to increase their rate of growth while controlling cost of feed.
Which decision-making technique is most appropriate to minimize cost of feeding birds? - Answer Linear
programming ( achieve the best outcome in a mathematical model whose requirements are represented
by linear relationships)
Compare outcomes of different drug testing results - Answer ANOVA (analyze differences among group
means in a sample)
Understand effective marketing to spend ad dollars efficiently - Answer Correlation
Monitor production process - Answer Control charts
Which two techniques apply in finding the probability that a patient needs treatment for a broken bone
AND a concussion? - Answer 1. intersection
2. multiplication principle
Which statistical rule can be used to determine the probability that a customer buys a plumbing product
GIVEN THAT this customer has purchased an electrical product? - Answer Bayes theorem
Which tool is used to illustrate a relationship or correlation between two variables? - Answer Scatterplot
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