WGU C955 Module 4 – Descriptive Statistics for a Single Variable Practice Set (Verified Q&A with Explanations)

WGU C955 Module 4 – Descriptive Statistics for a Single Variable Practice Set (Verified Q&A with Explanations)This WGU C955 Module 4 Practice Set is a comprehensive study resource for students preparing for Quantitative Analysis – Descriptive Statistics for a Single Variable. It provides verified practice problems with step‑by‑step solutions and explanations, covering the essential statistics concepts tested in the course. What’s Inside: - Measures of Central Tendency – Mean, median, mode, and their behavior in skewed distributions. - Measures of Spread – Range, interquartile range (IQR), outliers, and standard deviation. - Graphical Representations – Histograms, bar charts, pie charts, box plots, stem‑and‑leaf plots, and dot plots. - Applied Statistics – Survey data interpretation, frequency scales, categorical vs. quantitative data, and normal distribution percentages (68–95–99.7 rule). - Step‑by‑Step Explanations – Each answer includes clear reasoning to reinforce understanding. Key Benefits: - Strengthens foundational statistics skills required for success in C955. - Provides realistic practice problems aligned with WGU’s competency assessments. - Helps students build confidence in interpreting data sets and visualizations. - Perfect for study prep, review, and quick reference