C207 | 100+ Data Driven Decision Making Q&A – Statistics, Charts, Regression, Indexes | WGU 2026

This expertly verified exam prep document for C207 – Data Driven Decision Making at Western Governors University (WGU) includes over 100 test-ready questions and precise answers, updated for 2026. The content provides a robust foundation in both statistical principles and practical tools used in data-driven analysis, designed to help students master key concepts required for passing the course and applying them professionally. The document covers a wide range of essential topics: Statistics Fundamentals: Z-scores, variance, standard deviation, mean, median, mode, range, confidence intervals, and hypothesis testing using t-statistics, f-statistics, chi-square tests, and ANOVA. Probability & Distribution: Multiplication and addition rules, Bayes’ theorem, normal distribution (bell curve), complement events, and cumulative distribution. Data Types & Structures: Nominal, ordinal, interval, ratio, discrete, continuous data, and multicollinearity. Charts & Visual Tools: Box plots, Pareto charts, histograms, scatter plots, bar charts, flow/run charts, control charts, SIPOC, tree diagrams, and decision trees. Modeling & Regression: Linear and logistic regression, correlation coefficients, R-squared, cluster analysis, network diagrams, and experience curves. Operational Tools & Indexes: KPIs, balanced scorecards, control limits, cost-effective analysis, composite indexes, and data mining. Each concept is explained using straightforward definitions, keyword hints, and real-world examples. This makes the material suitable for both visual learners and students preparing for exams through conceptual understanding. Who is this for? WGU students enrolled in C207 or related business/data analytics courses Undergraduate or MBA students studying statistics, decision science, or operations management Analysts, managers, or professionals who want a refresher on data-driven business decision tools Learners preparing for exams that include statistical literacy, quantitative reasoning, or business intelligence Whether you're reviewing for finals or building a toolkit for real-world analytics, this guide delivers clarity and focus. Keywords: C207, data driven decision making, WGU, statistical analysis, Z-score, variance, regression, correlation, KPI, bell curve, probability, confidence interval, chi-square, ANOVA, decision trees, data visualization, control charts, business analytics