WGU C207 Data Driven Decision Making Final Exam
Prep 2026–2027 | OA Review & Key Concepts
There are two types of statistics (Analytics) - correct answers -Descriptive and Inferential
Descriptive statistics are used to _____? - correct answers -Inform/ Explanatory
Inferential statistics are used to _______? - correct answers -Predict/ Trend
Name the 4 levels of measurement - correct answers -(NOIR) Normal, Ordinal, Interval, Ratio
Continuous data with unique zero point - correct answers -Ratio
Orders datât at equal distance apart - correct answers -Interval
Place qualitative objects in some kind of order - correct answers -Ordinal
Identify, group, or categorize - correct answers -Nominal
Outliers create this type of error - correct answers -Out-of-Range
Unpredictable error - correct answers -Random error- No correlation
Error may occur from missing data ( Space not filled in) - correct answers -Omission Error- Distorted
Results
The error repeats itself - correct answers -Systematic Error- Skewed results
1
, What is the process of quality Control? - correct answers -Reduce/ minimize errors
All variable measurements and manipulations are under the researcher's control - correct answers -
experimental study
Used when impractical or impossible to control the conditions of the study - correct answers -
Observational study
Participants are not told if they arena the treatment group or control group - correct answers -Blind
Study
The procedure the researcher applies to each subject - correct answers -Treatments
Neither the treatment allocator nor the participants know who is in the treatment group or control
group - correct answers -Double blind study
Questions favor an outcome or the interviewer asks questions that favor an outcome - correct answers -
Information Bias
The average outcome (payout) when the future includes scenarios that may or may not happen - correct
answers -Expected monetary value (EVM) Analysis
Observation favor an outcome or the interviewer ask questions that favor and outcome - correct
answers -Outliers Note: Can be included or excluded in the analysis (Cause of Skewness)
Bias tha occurs from not selection a random sample - correct answers -Measurement bias
Bias introduced because responders believe it bill be beneficial if selected - correct answers -Conscious
bias
Each of the four quartile groups a population can be divided - correct answers -Quartiles
2
Prep 2026–2027 | OA Review & Key Concepts
There are two types of statistics (Analytics) - correct answers -Descriptive and Inferential
Descriptive statistics are used to _____? - correct answers -Inform/ Explanatory
Inferential statistics are used to _______? - correct answers -Predict/ Trend
Name the 4 levels of measurement - correct answers -(NOIR) Normal, Ordinal, Interval, Ratio
Continuous data with unique zero point - correct answers -Ratio
Orders datât at equal distance apart - correct answers -Interval
Place qualitative objects in some kind of order - correct answers -Ordinal
Identify, group, or categorize - correct answers -Nominal
Outliers create this type of error - correct answers -Out-of-Range
Unpredictable error - correct answers -Random error- No correlation
Error may occur from missing data ( Space not filled in) - correct answers -Omission Error- Distorted
Results
The error repeats itself - correct answers -Systematic Error- Skewed results
1
, What is the process of quality Control? - correct answers -Reduce/ minimize errors
All variable measurements and manipulations are under the researcher's control - correct answers -
experimental study
Used when impractical or impossible to control the conditions of the study - correct answers -
Observational study
Participants are not told if they arena the treatment group or control group - correct answers -Blind
Study
The procedure the researcher applies to each subject - correct answers -Treatments
Neither the treatment allocator nor the participants know who is in the treatment group or control
group - correct answers -Double blind study
Questions favor an outcome or the interviewer asks questions that favor an outcome - correct answers -
Information Bias
The average outcome (payout) when the future includes scenarios that may or may not happen - correct
answers -Expected monetary value (EVM) Analysis
Observation favor an outcome or the interviewer ask questions that favor and outcome - correct
answers -Outliers Note: Can be included or excluded in the analysis (Cause of Skewness)
Bias tha occurs from not selection a random sample - correct answers -Measurement bias
Bias introduced because responders believe it bill be beneficial if selected - correct answers -Conscious
bias
Each of the four quartile groups a population can be divided - correct answers -Quartiles
2
