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Western University · London · statistical literacy

Western University SS1023A/B — Statistical Concepts

Review the numerical ideas behind statistical literacy: summaries, probability, normal variation, confidence and decisions. SS2037 is listed alongside this course but has its own registration rules.

32 original question families · 96 parameter instances

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Course alignment and coverage

2026–27 official offering index and public Fall 2025 SS1023/2037 outline checked 25 October 2026. The topic baseline is explicitly from an earlier term; the current section outline is on OWL and was not accessed.

Across this collection: 156 distinct original families and 468 parameter instances. Courses share topic banks; translations and shared mappings are not extra questions.

Supported learning objectives

  • Descriptive statistics

    Calculate means, medians and weighted summaries.

  • Variance and standard deviation

    Distinguish sample and population denominators and scale changes.

  • Probability

    Use complements, independence and conditional probability.

  • Sampling and standard error

    Calculate standard errors and sample-size effects.

  • Confidence intervals for a mean

    Calculate known-sigma z intervals; critical values are supplied.

  • Hypothesis tests for a mean

    Calculate a known-sigma z statistic, p-value decision or critical boundary.

  • Correlation and regression

    Use a supplied least-squares line and interpret residuals and r².

  • Normal areas and quantiles

    Use supplied rounded normal tables for complements, central areas, standardization and a percentile.

What is not covered

Selected numerical foundations only. No software labs, graphs, study-design assessment, simulation/bootstrap, ANOVA, nonparametric procedures, multiple regression or regression inference. Critical values and rounded normal-table entries are supplied; this practice is not a complete statistics assessment. Numerical drills do not assess the course’s media critique, argumentation or statistical literacy. Check current OWL materials and antirequisites.

An original worked example

Find the mean of 2, 4, 6, 8.

Worked solution

Answer: 5

  1. The total is 20.
  2. Mean=20/4=5.
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Official course sources

Independent, original, free self-study practice. Not affiliated with or endorsed by this university; these are not official exam questions. Topic alignment does not establish transfer credit, a current section’s weekly syllabus, full course coverage or a grade prediction. Follow your instructor’s rules and use official course materials for assessed work. No live AI chat or paid access is required.