1. What are real-world examples of a sample and a population? Compare and contrast probability sampling with non-probability sampling, providing an example of each.
2. Describe the data scales best suited for presentation in a pie chart. How effective are the pie charts that often accompany a newspaper article in explaining the statistics used in the article? Where could a Pareto chart be used within your company?
3. Does all data have a mean, median, or mode? Why or why not? When is the mean the best measure of central tendency? When is the median the best measure of central tendency?