5. Sample size

Lectures: Sample size:

Presentation: Ten statistics you need to know

Statistical calculator

Statistics in divided doses (by courtesy of Dr. Frank Leach)

  1. Making observations and taking measurements
  2. Describing a sample
  3. Assessing the reliability of a sample
  4. Variability, probability and power
  5. First steps in analysis - comparing the means of large samples
  6. Analysing small samples – the Student’s t test
  7. Analysing data by non-parametric methods
  8. Confidence intervals