WGU C207 Data Driven Decision Making Exam Prep Questions And Answers Graded A+

WGU C207 Data Driven Decision Making Exam Prep Questions And Answers Graded A+ A city government is trying to determine the national origins of its recent immigrant population. If a survey of the immigrant population is conducted in English what type of error might be present in the data? Omission Error An Educator develops a new standardized test to measure math skills of ninth graders. She has students in her home state of Ohio take the test. If the test is to be used on a national level, what type of error might be found in her data? Measurement Bias Process of turning data or information into knowledge. Analytics 3 Types of Analytics descriptive, predictive, prescriptive Descriptive Analytics What has happened in the past? Predictive Analytics What will happen in the future based on what has happened in the past? Or looks at one the impact of one variable on another. Prescriptive Analytics Decision models that indicate the best course of action Types of Descriptive Analytics: 1.Graphical Analysis (Histogram, Run chart, scatter, Pareto) 2.Discovery of patterns (sums, averages, percentages) Types of Predictive Analytics 1.Models (Time series/trend, regression, statistical quality control) 2.Simulation Types of Prescriptive Analytics 1.Optimization Models 2.Simulation 3.Decision Analysis Optimization Models help make the best decision while subject to resource constraints (linear programming) Simulation: probability and statics to model uncertainty Decision Analysis: Develop on optimal strategy for making decisions (Decision tree) Big Data: structure or un structured data in large volumes that need manipulation to become meaningful; Analysis of big data requires a system of organization 3 Stages of Davenport-Kim Mo