WGU - C207 DATA DRIVEN DECISION MAKING EXAM
QUESTIONS AND ANSWERS (CORRECT AND
VERIFIED ANSWERS) LATEST UPDATE
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
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
QUESTIONS AND ANSWERS (CORRECT AND
VERIFIED ANSWERS) LATEST UPDATE
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
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
