Question: (14) Sampling (Review Levine chapter 7)

1. Define four types of probability sampling methods, describe the benefits and limitations of each, and create an example of when you might use each. Also discuss the types of non-probability samples and provide an example of each.
2. Discuss the four types of survey errors, and illustrate each with an example.
3. What is the standard error of the mean, and why is it important?
4. For a population that is not normally distributed, the distribution of the sample means with increasing sample size will
   c. be negatively skewed.
   d. approach the normal distribution.
   e. be positively skewed.
   f. take the same shape as the population.
5. This is called the _________________________________________.

Why is this helpful in sampling?

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