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Statistics for a research methods exam

Distributions, estimation and the tests a methods course examines, with the reasoning marked in the answer. Placeholder content.

10 lessons · about 3.3 hours · Undergraduate, preparing for a research methods or statistics paper

The syllabus, mapped

  1. 01Describing data — Where the vocabulary comes from.
  2. 02Probability and distributions — The normal distribution underlies every test.
  3. 03Sampling and estimation — Confidence intervals, read correctly.
  4. 04Hypothesis testing — The core of the paper.
  5. 05Choosing a test — The question that separates grades.

The 10 lessons

  1. 01Describing data: the ideas · free
  2. 02Describing data: exam problems
  3. 03Probability and distributions: the ideas
  4. 04Probability and distributions: exam problems
  5. 05Sampling and estimation: the ideas
  6. 06Sampling and estimation: exam problems
  7. 07Hypothesis testing: the ideas
  8. 08Hypothesis testing: exam problems
  9. 09Choosing a test: the ideas
  10. 10Choosing a test: exam problems

The first lesson is free. The other 9 (3.3 hours in all) cost $8.42 bought together.

Or $1.70 a lesson one at a time, or $20.00 a month for Minimal — cheaper once you take more than ~11 lessons a month.

Try a block from the first lesson: Describing data: the ideas
Statistics · resamplingNO DRAWS YET
YOUR SAMPLE · 18 REACTION TIMESDASHED: MEAN 275 MSMEANS OF 0 RESAMPLES229 MSONE SCALE, TOP AND BOTTOM347 MS
sample mean275 msse5.9 ms

These 18 dots are the whole study: one set of reaction times, and no way to run it again. Draw a resample — 18 of these same measurements, taken with replacement — and watch which dots it picks.

Free account. The course comes with you; nothing is charged for the first lesson.

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