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PSYC213 Statistics and Research Methods — Exam Questions and Answers
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5
May 2026
2025/2026
A+
Contains 25 exam questions with fully worked answers covering all core statistical concepts tested at undergraduate level.
Topics covered:
- Four scales of measurement with real-world examples (nominal, ordinal, interval, ratio)
- Frequency distribution tables and graphs (bar charts vs histograms)
- Mean, median, and mode — calculation with full working from frequency tables
- When to use each measure of central tendency
- Variance and standard deviation (why we use n-1)
- Z-scores: f...
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