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WGU C207 DATA DRIVEN DECISION MAKING EXAM AND STUDY GUIDE LATEST 2024. ACTUAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS |ALREADY GRADED A+$17.49
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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+ Frame the Problem, Solving the Problem and Communicating Results are part of 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+ Error may occur from missing data. (Example: Space not filled in) - Answer - 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 WGU C207 DATA DRIVEN DECISION MAKING EXAM AND STUDY GUIDE LATEST 2024. ACTUAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS |ALREADY GRADED A+
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