1. Why do we sample a population for statistical analysis?

2. What methods of sampling can be performed?

3. Why is sample size important? What happens to the sampling distribution of the sample mean and the sample proportion when the sample size changes?

4. How can we determine the proper sample size to use for a given level of confidence and margin of error?

Answer rating: 100% (QA)

1 Statistical methods are often used for analyzing data gathered from a sample Sampling is necessary because it is typically easier and faster to coll... View the full answer