# Qualitative and Quantitative Measurement - Probability Sampling - Typesof Probability Samples

## 10 important questions on Qualitative and Quantitative Measurement - Probability Sampling - Typesof Probability Samples

### What is a sampling distribution?

### What is the central limit theorem?

### What is a sampling interval?

### What is the advantage of stratified sampling?

### Which two problems does cluster sampling adress?

### What is a cluster?

### How does cluster sampling work?

### What are two big practical advantages?

- You can create a good sampling frame of clusters, even if it is impossible for you to create one for sampling elements.
- For geographically disperse populations the elements iwthin each cluster are physically closer to one another which may produce a savings in locating or reaching each element.

### What is probability proportionate to size (PPS)?

### What is random-digit dialing (RDD)?

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