MegaMaester

Statistics for Everyday Life · Module 2

Making Sense of Evidence

Module 1 covered describing data you have. This module covers reasoning from data to conclusions about people you did not measure — which is where statistics gets both powerful and treacherous.

It ends with the manipulations you will actually meet, and a capstone that turns the whole subject on a real article.

Lessons
7 lessons
Estimated time
~6-8 hours
Assessment
Module quiz included

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Lessons

Lesson 1 · 18 min

Sampling and Surveys

Lesson 2 · 18 min

Correlation and Regression

Lesson 3 · 18 min

Risk and Uncertainty

Lesson 4 · 18 min

Statistical Significance

Lesson 5 · 18 min

Misleading Statistics

Lesson 6 · 18 min

Statistics in Everyday Decisions

Lesson 7 · 25 min

Capstone: Statistics in the Wild

Check your understanding

Finish the lessons, then test yourself. Your best score is saved on this device. You can also open this quiz on its own page.

Making Sense of Evidence — Module Assessment

13 questions · pass mark 75%

  1. 1.Why can a random sample of 1,000 represent millions?
  2. 2.A website poll gets 8,000 responses. Why might it still mislead?
  3. 3.What does a margin of error cover?
  4. 4.A correlation coefficient near zero means:
  5. 5.Why is extrapolation risky?
  6. 6.A drug doubles a side effect risk of 1 in 20,000. What is the absolute change?
  7. 7.A number needed to treat of 100 means:
  8. 8.When is expected value the wrong tool?
  9. 9.A result shows improvement of 8 points, 95% CI −2 to 18. What does it establish?
  10. 10.How can a statistically significant result be unimportant?
  11. 11.Analysing only returning aircraft to decide where to add armour is an example of:
  12. 12.'Support rose 5%' is ambiguous because:
  13. 13.Name three of the seven questions to ask of any statistic.
Answer every question to submit.