Sampling Control

I. Vocabulary

• Universe
• Population
  • Element
  • Observation
  • Case
• Sampling Frame
• Sample

II. Types of Samples

• Non-Probability
  • Convenience
  • Snowball
  • Quota
• Probability
  • Simple Random
  • Systematic Random
  • Stratified Random
    • Proporationate
    • Disproportionate
  • Area or Cluster

III. Sample Size

• Confidence Interval
• Error in Prediction
• Variation in Population

Powerpoint Summary