WGU C207 DATA DRIVEN DECISION MAKING EXAM AND
STUDY GUIDE LATEST 2024.
ACTUAL EXAM QUESTIONS AND CORRECT DETAILED
ANSWERS |ALREADY GRADED A+
Frame the Problem, Solving the Problem and Communicating Results are part of
which decision making model? - Answer-Davenport-Kim three-stage model
In which stage of the Davenport-Kim model is problem recognition? - Answer-
Framing the problem
In which stage of the Davenport-Kim model is data collection? - Answer-Solving the
problem
What is a key reason we study statistics? - Answer-To make informed decisions
Visually presenting the data assists in which stage of the Davenport-Kim model? -
Answer-Communicating the results
When does research fail to produce reliable results? - Answer-Poor research validity
What are the two major issues surrounding research standards? - Answer-Best
practices and ethics
In order to be a statistically valid sample, the sample must be: - Answer-The
appropriate size and random
Not selecting a random sample is what type of bias? - Answer-Measurement
Not selecting a right sized sample is what type of bias? - Answer-Measurement
Research best practices eliminate... - Answer-Bias
Outliers create this type of error - Answer-Out-of Range
Unpredictable error - Answer-Random Error - No correlation
,WGU C207 DATA DRIVEN DECISION MAKING EXAM AND
STUDY GUIDE LATEST 2024.
ACTUAL EXAM QUESTIONS AND CORRECT DETAILED
ANSWERS |ALREADY GRADED A+
Error may occur from missing data. (Example: Space not filled in) - Answer-
Omission Error - Distorted results
This error repeats itself - Answer-Systematic Error - Skewed results
Observation points that are distant from other observations. - Answer-Outliers Note:
Can be included or excluded in analysis (causes skewness)
Types of Bias: Bias that occurs from not selecting a random sample - Answer-
Measurement bias
Types of Bias: Bias introduced because respondents believe it will be beneficial if
selected. - Answer-Conscious bias (key word: benefit)
Consistent and repeatable data - Answer-Reliable
Resulting from accurate measurements - Answer-Valid data
If a responder lies on their survey, this creates what type of bias? - Answer-
Information
Sorting your spreadsheet can expose these errors by moving them to the very top or
the very bottom of the column - Answer-Omission or Out-of-Range
An error that will fix itself over time - Answer-Random
An error that will not fix itself. You must do something - Answer-Systematic
Cleaning and organizing data - Answer-Data Management
Are the following variables quantitative or qualitative? Personality type, social class,
or communication style - Answer-Qualitative
, WGU C207 DATA DRIVEN DECISION MAKING EXAM AND
STUDY GUIDE LATEST 2024.
ACTUAL EXAM QUESTIONS AND CORRECT DETAILED
ANSWERS |ALREADY GRADED A+
A study used when your conditions can't be controlled - Answer-Observational study
Observes people going forward in time from the time of their entry into the study. -
Answer-Cohort Study
What are the three elements of an experimental study? - Answer-Unit, Treatment,
Response
Accurately measures what it is intended to measure - Answer-Valid data
________ an experimental study prevents bias. - Answer-Blinding
Neither the treatment allocator nor the participant knows in which group the
participant is contributing. (Who is getting the real drug?) - Answer-Double blind
study
The participants are not told if they are in the treatment group or control group -
Answer-Blind study
Describes characteristics of a dataset. Mean, median, mode, variation, standard
deviation, range.... - Answer-Descriptive analytics
Uses data from t he past to predict the future - Answer-Predictive
Uses experimental design and optimization to predict a future - Answer-Prescriptive
If we move to six appointments an hour we can increase revenue 2%. Which form of
analytics is this? - Answer-Prescriptive - We are taking a specific course of action
Based on the last four quarters, we can predict $4,1 million in sales next quarter.
Which form of analytics is this? - Answer-Predictive: We aren't taking any action
STUDY GUIDE LATEST 2024.
ACTUAL EXAM QUESTIONS AND CORRECT DETAILED
ANSWERS |ALREADY GRADED A+
Frame the Problem, Solving the Problem and Communicating Results are part of
which decision making model? - Answer-Davenport-Kim three-stage model
In which stage of the Davenport-Kim model is problem recognition? - Answer-
Framing the problem
In which stage of the Davenport-Kim model is data collection? - Answer-Solving the
problem
What is a key reason we study statistics? - Answer-To make informed decisions
Visually presenting the data assists in which stage of the Davenport-Kim model? -
Answer-Communicating the results
When does research fail to produce reliable results? - Answer-Poor research validity
What are the two major issues surrounding research standards? - Answer-Best
practices and ethics
In order to be a statistically valid sample, the sample must be: - Answer-The
appropriate size and random
Not selecting a random sample is what type of bias? - Answer-Measurement
Not selecting a right sized sample is what type of bias? - Answer-Measurement
Research best practices eliminate... - Answer-Bias
Outliers create this type of error - Answer-Out-of Range
Unpredictable error - Answer-Random Error - No correlation
,WGU C207 DATA DRIVEN DECISION MAKING EXAM AND
STUDY GUIDE LATEST 2024.
ACTUAL EXAM QUESTIONS AND CORRECT DETAILED
ANSWERS |ALREADY GRADED A+
Error may occur from missing data. (Example: Space not filled in) - Answer-
Omission Error - Distorted results
This error repeats itself - Answer-Systematic Error - Skewed results
Observation points that are distant from other observations. - Answer-Outliers Note:
Can be included or excluded in analysis (causes skewness)
Types of Bias: Bias that occurs from not selecting a random sample - Answer-
Measurement bias
Types of Bias: Bias introduced because respondents believe it will be beneficial if
selected. - Answer-Conscious bias (key word: benefit)
Consistent and repeatable data - Answer-Reliable
Resulting from accurate measurements - Answer-Valid data
If a responder lies on their survey, this creates what type of bias? - Answer-
Information
Sorting your spreadsheet can expose these errors by moving them to the very top or
the very bottom of the column - Answer-Omission or Out-of-Range
An error that will fix itself over time - Answer-Random
An error that will not fix itself. You must do something - Answer-Systematic
Cleaning and organizing data - Answer-Data Management
Are the following variables quantitative or qualitative? Personality type, social class,
or communication style - Answer-Qualitative
, WGU C207 DATA DRIVEN DECISION MAKING EXAM AND
STUDY GUIDE LATEST 2024.
ACTUAL EXAM QUESTIONS AND CORRECT DETAILED
ANSWERS |ALREADY GRADED A+
A study used when your conditions can't be controlled - Answer-Observational study
Observes people going forward in time from the time of their entry into the study. -
Answer-Cohort Study
What are the three elements of an experimental study? - Answer-Unit, Treatment,
Response
Accurately measures what it is intended to measure - Answer-Valid data
________ an experimental study prevents bias. - Answer-Blinding
Neither the treatment allocator nor the participant knows in which group the
participant is contributing. (Who is getting the real drug?) - Answer-Double blind
study
The participants are not told if they are in the treatment group or control group -
Answer-Blind study
Describes characteristics of a dataset. Mean, median, mode, variation, standard
deviation, range.... - Answer-Descriptive analytics
Uses data from t he past to predict the future - Answer-Predictive
Uses experimental design and optimization to predict a future - Answer-Prescriptive
If we move to six appointments an hour we can increase revenue 2%. Which form of
analytics is this? - Answer-Prescriptive - We are taking a specific course of action
Based on the last four quarters, we can predict $4,1 million in sales next quarter.
Which form of analytics is this? - Answer-Predictive: We aren't taking any action
