WGU Data Driven Decision Making C207
Study Material Exam Questions and
Answers 2025
Frame the Problem, Solving the Problem and Communicating Results are part of which
decision-making model? -Correct Answer ✔Davenport-Kim three-stage model
In which stage of the Davenport-Kim model is problem recognition? -Correct Answer
✔Framing the problem
In which stage of the Davenport-Kim model is data collection? -Correct Answer
✔Solving the problem
What is a key reason we study statistics? -Correct Answer ✔To make informed
decisions
Visually presenting the data assists in which stage of the Davenport-Kim model? -
Correct Answer ✔Communicating the results
When does research fail to produce reliable results? -Correct Answer ✔Poor research
validity
What are the two major issues surrounding research standards? -Correct Answer ✔Best
practices and ethics
In order to be a statistically valid sample, the sample must be: -Correct Answer ✔The
appropriate size and random
Not selecting a random sample is what type of bias? -Correct Answer ✔Measurement
Not selecting a right sized sample is what type of bias? -Correct Answer ✔Measurement
Research best practices eliminate... -Correct Answer ✔Bias
Outliers create this type of error -Correct Answer ✔Out-of Range
Unpredictable error -Correct Answer ✔Random Error - No correlation
Error may occur from missing data. (Example: Space not filled in) -Correct Answer
✔Omission Error - Distorted results
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, WGU C207
This error repeats itself -Correct Answer ✔Systematic Error - Skewed results
Observation points that are distant from other observations. -Correct Answer ✔Outliers
Note: Can be included or excluded in analysis (causes skewness)
Types of Bias: Bias that occurs from not selecting a random sample -Correct Answer
✔Measurement bias
Types of Bias: Bias introduced because respondents believe it will be beneficial if
selected. -Correct Answer ✔Conscious bias (key word: benefit)
Consistent and repeatable data -Correct Answer ✔Reliable
Resulting from accurate measurements -Correct Answer ✔Valid data
If a responder lies on their survey, this creates what type of bias? -Correct Answer
✔Information
Sorting your spreadsheet can expose these errors by moving them to the very top or the
very bottom of the column -Correct Answer ✔Omission or Out-of-Range
An error that will fix itself over time -Correct Answer ✔Random
An error that will not fix itself. You must do something -Correct Answer ✔Systematic
Cleaning and organizing data -Correct Answer ✔Data Management
Are the following variable quantitative or qualitative? Personality type, social class, or
communication style -Correct Answer ✔Qualitative
A study used when you a conditions can't be controlled -Correct Answer
✔Observational study
Observes people going forward in time from the time of their entry into the study. -
Correct Answer ✔Cohort Study
What are the three elements of an experimental study? -Correct Answer ✔Unit,
Treatment, Response
Accurately measures what it is intended to measure -Correct Answer ✔Valid data
________ an experimental study prevents bias. -Correct Answer ✔Blinding
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