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WGU C207 Data Driven Decision Making
Questions and Correct Answers/ Latest
Update / Already Graded
Frame the Problem, Solving the Problem and Communicating Results
are part of which decision making model?
Ans: Davenport-Kim three-stage model
In which stage of the Davenport-Kim model is problem recognition?
Ans: Framing the problem
In which stage of the Davenport-Kim model is data collection?
Ans: Solving the problem
What is a key reason we study statistics?
Ans: To make informed decisions
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Visually presenting the data assists in which stage of the Davenport-
Kim model?
Ans: Communicating the results
When does research fail to produce reliable results?
Ans: Poor research validity
What are the two major issues surrounding research standards?
Ans: Best practices and ethics
In order to be a statistically valid sample, the sample must be:
Ans: The appropriate size and random
Not selecting a random sample is what type of bias?
Ans: Measurement
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Not selecting a right sized sample is what type of bias?
Ans: Measurement
Research best practices eliminate...
Ans: Bias
Outliers create this type of error
Ans: Out-of Range
Unpredictable error
Ans: Random Error - No correlation
Error may occur from missing data. (Example: Space not filled in)
Ans: Omission Error - Distorted results
This error repeats itself
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Ans: Systematic Error - Skewed results
Observation points that are distant from other observations.
Ans: Outliers Note: Can be included or excluded in analysis (causes
skewness)
Types of Bias: Bias that occurs from not selecting a random sample
Ans: Measurement bias
Types of Bias: Bias introduced because respondents believe it will be
beneficial if selected.
Ans: Conscious bias (key word: benefit)
Consistent and repeatable data
Ans: Reliable
Resulting from accurate measurements
WGU C207 Data Driven Decision Making
Questions and Correct Answers/ Latest
Update / Already Graded
Frame the Problem, Solving the Problem and Communicating Results
are part of which decision making model?
Ans: Davenport-Kim three-stage model
In which stage of the Davenport-Kim model is problem recognition?
Ans: Framing the problem
In which stage of the Davenport-Kim model is data collection?
Ans: Solving the problem
What is a key reason we study statistics?
Ans: To make informed decisions
,2|Page
Visually presenting the data assists in which stage of the Davenport-
Kim model?
Ans: Communicating the results
When does research fail to produce reliable results?
Ans: Poor research validity
What are the two major issues surrounding research standards?
Ans: Best practices and ethics
In order to be a statistically valid sample, the sample must be:
Ans: The appropriate size and random
Not selecting a random sample is what type of bias?
Ans: Measurement
,3|Page
Not selecting a right sized sample is what type of bias?
Ans: Measurement
Research best practices eliminate...
Ans: Bias
Outliers create this type of error
Ans: Out-of Range
Unpredictable error
Ans: Random Error - No correlation
Error may occur from missing data. (Example: Space not filled in)
Ans: Omission Error - Distorted results
This error repeats itself
, 4|Page
Ans: Systematic Error - Skewed results
Observation points that are distant from other observations.
Ans: Outliers Note: Can be included or excluded in analysis (causes
skewness)
Types of Bias: Bias that occurs from not selecting a random sample
Ans: Measurement bias
Types of Bias: Bias introduced because respondents believe it will be
beneficial if selected.
Ans: Conscious bias (key word: benefit)
Consistent and repeatable data
Ans: Reliable
Resulting from accurate measurements
