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WGU C207 Data-Driven Decision Making 5 Exam 2026 – 80+ Verified Q&As | RBM, Index Numbers, Epidemiology, IRT, Z-Scores, CPI

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This expertly verified study guide for the WGU C207 Data-Driven Decision Making 5 Exam 2026 contains over 80 real exam questions and accurate answers, structured to support mastery of data literacy, statistical reasoning, and performance evaluation techniques essential for decision-making in business, public health, and research contexts. Built specifically for C207 course-takers at Western Governors University, this resource is organized in a Q&A format that reinforces conceptual clarity, terminology, and formula-based problem solving. Key topics include: Results-Based Management (RBM): Full life-cycle breakdown (Input, Activities, Output, Outcome, Impact), decision-making flow (Assess, Think, Envision, Plan, Do, Review), and RBM indicators for project monitoring Index number analysis: Includes base period, simple index, weighted composite index, and Consumer Price Index (CPI) interpretations for cost-tracking and trend evaluation Epidemiology fundamentals: Prevalence, incidence, cumulative incidence (CI), and incidence rate (IR), with associated public health applications and formulas Measurement theory: Observed vs. true scores, random vs. systematic error, True Score Theory, and Item Response Theory (IRT) as applied in test reliability and design Reliability testing methods: Test-retest, parallel forms, split-half, and Cronbach’s alpha—used to assess consistency across testing formats Z-scores and standardization: Standard scores and percentiles in performance comparison across populations Cost-effectiveness analysis & sustainability: Used in public decision-making and business forecasting to evaluate value return and long-term environmental/social balance This guide delivers precise definitions, formula structures, and concept applications, ideal for WGU students preparing for Objective Assessments (OAs) and final exams. Best suited for: WGU students enrolled in C207 Data-Driven Decision Making Business, healthcare, and public administration majors Professionals and analysts using RBM, CPI, or epidemiological metrics Candidates seeking a foundational understanding of data interpretation and quantitative evaluation Keywords: WGU C207, data-driven decision making, RBM steps, index numbers, CPI calculation, prevalence vs incidence, cumulative incidence, incidence rate formula, Item Response Theory, z-score, standard score, reliability index, Cronbach’s alpha, epidemiology data, test reliability, base period, simple composite index, data literacy WGU, cost-effectiveness analysis

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Uploaded on
January 30, 2026
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Written in
2025/2026
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WGU C207 Data Driven Decision
Making 5 2026 Expert Verified | Ace
the Test



Results-based management (RBM)* - 🧠ANSWER ✔✔management

strategy that uses results as the central measurement of performance

Assess: What is the current situation?

Think: What caused it? Who is involved?

Envision: What are we going to achieve?

Plan: How are we going to do it? With whom? When? With what

resources?

Do: Get it done. How is it going? Do we need to adapt?

, Review: What went well/badly? What can we learn for next time?


life-cycle approach - 🧠ANSWER ✔✔dynamic, iterative process of

incorporating changes in a project (or organization) over time by

responding to feedback and adding new technology and new capabilities


Input - 🧠ANSWER ✔✔The first step of RBM is to define the resources,

human or financial, used by the RBM system. This could include the people

who are doing the work, the funds used to finance the work, and the

information being accessed.


Activities - 🧠ANSWER ✔✔This second step of RBM involves the process

that converts inputs to outputs. It includes the actions necessary to produce

results. This could include training, evaluating, developing action plans, or

working with media.


Output - 🧠ANSWER ✔✔This third step of RBM is when the outputs have

been created by the RBM activities. This could include goods and services,

publications, systems, evaluations, or changes in skills.


Outcome - 🧠ANSWER ✔✔This fourth step of RBM is the short-term effect

that the outputs will have. It could include greater efficiency, more viability,

better decision making, social action, or changed public opinions.

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