WGU C207 Data Driven Decision Making ACTUAL Exam Questions and CORRECT Answers
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WGU C207 Data Driven Decision Making
Institution
WGU C207 Data Driven Decision Making
WGU C207 Data Driven Decision Making
ACTUAL Exam Questions and CORRECT
Answers
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 reco...
WGU C207 Data Driven Decision Making
ACTUAL Exam Questions and CORRECT
Answers
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
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
Neither the treatment allocator nor the participant knows in which group the participant is
contributing. (Who is getting the real drug?) - CORRECT ANSWER✔✔- Double blind
study
The participants are not told if they are in the treatment group or control group - CORRECT
ANSWER✔✔- Blind study
Describes characteristics of a dataset. Mean, median, mode, variation, standard deviation,
range.... - CORRECT ANSWER✔✔- Descriptive analytics
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