# RES 341 week 2 DQ 1 - 7949

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## 3number

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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.

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?

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?

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When the analysis is a based on an entire group or in other words, all the members of the group under study then the population is in place. A sample is taken when this population is too large to measure each of the members. Think about it from this perspective, if they were investigating Burger King Restaurants, all the Burger King restaurants in the world would be their population but the sample would be those restaurants that you s