Explanation 1
Separate description from inference.
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Lesson 14 of 15
Match each statistic and chart to a question, document limitations, and communicate to a nontechnical audience.
Theory
Match each statistic and chart to a question, document limitations, and communicate to a nontechnical audience. The examples in this lesson use fictional STATLAB Academy business data and independently written explanations.
Explanation 1
Separate description from inference.
Explanation 2
Report units, rounding, and missing-value treatment.
Explanation 3
Combine numerical and visual evidence in an executive summary.
Interactive Mission
0%
Complete the workflow before treating the report as ready for review.
R connection
Run and edit the code, inspect printed output, and use the movable R Code Guide for line-by-line help.
Live R Lab
Produce an auditable center, variability, z-score, plot, and correlation summary for the capstone.
Ready to run
Worked example
Scenario
A fictional training organization needs to use building a descriptive statistics report to support an operational decision.
The best summary is the one that fits the question, data structure, units, and distribution.
Interpretation safeguard
A polished report still needs source, method, uncertainty, and limitations.
Dataset provenance
Original synthetic data generated for STATLAB Academy. No textbook data used.
Resource
A concise original checklist for an auditable report.
DownloadReflection
Name the question, data structure, units, chosen method, and one limitation.
Assistant
Coach me through Building a Descriptive Statistics Report without giving direct quiz answers or writing my final report. Ask me to justify assumptions, units, and interpretation.
Exit check
Use a hint before checking if needed. Explanations appear only after an answer is submitted.
Checkpoint
Question 1 of 2. Answered 0/2. Passing score: 70%.