WGU C207 Data Driven Decision Making Exam With 100% Correct Answers

WGU C207 Data Driven Decision Making Exam With 100% Correct Answers Frame the Problem, Solving the Problem and Communicating Results are part of which decision making model? - answerDavenport-Kim three-stage model In which stage of the Davenport-Kim model is problem recognition? - answerFraming the problem In which stage of the Davenport-Kim model is data collection? - answerSolving the problem What is a key reason we study statistics? - answerTo make informed decisions Visually presenting the data assists in which stage of the Davenport-Kim model? - answerCommunicating the results When does research fail to produce reliable results? - answerPoor research validity What are the two major issues surrounding research standards? - answerBest practices and ethics In order to be a statistically valid sample, the sample must be: - answerThe appropriate size and random Not selecting a random sample is what type of bias? - answerMeasurement Not selecting a right sized sample is what type of bias? - answerMeasurement Research best practices eliminate... - answerBias Outliers create this type of error - answerOut-of Range Unpredictable error - answerRandom Error - No correlation Error may occur from missing data. (Example: Space not filled in) - answerOmission Error - Distorted results This error repeats itself - answerSystematic Error - Skewed results Observation points that are distant from other observations. - answerOutliers Note: Can be included or excluded in analysis (causes skewness) Types of Bias: Bias that occurs from not selecting a random sample - answerMeasurement bias Types of Bias: Bias introduced because respondents believe it will be beneficial if selected. - answerConscious bias (key word: benefit) Consistent and repeatable data - answerReliable Resulting from accurate measurements - answerValid data If a responder lies on their survey, this creates what type of bias? - answerInformation Sorting your spreadsheet can expose these errors by moving them to the very top or the very bottom of the column - answerOmission or Out-of-Range An error that will fix itself over time - answerRandom An error that will not fix itself. You must do so