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WGU C207 DATA DRIVEN DECISION MAKING EXAM ACTUAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS LATEST UPDATES (VERIFIED ANSWERS)|ALREADY GRADED A+$18.49
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WGU C207 DATA DRIVEN DECISION MAKING EXAM
ACTUAL EXAM QUESTIONS AND CORRECT DETAILED
ANSWERS LATEST UPDATES 2024-2025(VERIFIED
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
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 variable quantitative or qualitative? Personality type, social
class, or communication style - ANSWER-Qualitative
A study used when you a conditions can't be controlled - ANSWER-Observational
study
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