WGU C207 Modules 1 – 6 Exams Questions and Verified Answers (100% Correct Answers)

WGU C207 Modules 1 – 6 Exams Questions and k k k k k k k k




Verified Answers (100% Correct Answers)
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Frame the Problem, Solving the Problem and Communicating Results are part of which decision making
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model?
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Davenport-Kim three-stage model k k




In which stage of the Davenport-Kim model is problem recognition?
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Framing the problem k k




In which stage of the Davenport-Kim model is data collection?
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Solving the problem k k




What is a key reason we study statistics?
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To make informed decisions
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Visually presenting the data assists in which stage of the Davenport-Kim model?
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Communicating the results k k




When does research fail to produce reliable results?
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Poor research validity
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What are the two major issues surrounding research standards?
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,Best practices and ethics
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In order to be a statistically valid sample, the sample must be:
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The appropriate size and random
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Not selecting a random sample is what type of bias?
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Measurement




Not selecting a right sized sample is what type of bias?
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Measurement




Research best practices eliminate...
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Bias




Outliers create this type of error
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Out-of Range k




Unpredictable error k




Random Error - No correlation
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Error may occur from missing data. (Example: Space not filled in)
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Omission Error - Distorted results
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, This error repeats itself
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Systematic Error - Skewed resultsk k k k




Observation points that are distant from other observations.
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Outliers Note: Can be included or excluded in analysis (causes skewness)
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Types of Bias: Bias that occurs from not selecting a random sample
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Measurement bias k




Types of Bias: Bias introduced because respondents believe it will be beneficial if selected.
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Conscious bias (key word: benefit)
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Consistent and repeatable data k k k




Reliable




Resulting from accurate measurements
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Valid data k




If a responder lies on their survey, this creates what type of bias?
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