Introduction to Statistics - Collecting Sample Data

3 important questions on Introduction to Statistics - Collecting Sample Data

In an ... , we observe and measure specific characteristics, but we don't attempt to modify the subjects being studied.

Observational study

In an ... , we apply some treatment and then proceed to observe its effects on the subjects.

Experiment

What are the six sampling methods called, discussed in the book?

  1. Random Sampling
  2. Simple Random Sampling
  3. Systematic Sampling
  4. Convenience Sampling
  5. Stratified Sampling
  6. Cluster Sampling

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