QNT 273 Week 2 DQ 2
QNT 273 Week 2 DQ 2
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This 0 page Study Guide was uploaded by tophomework Notetaker on Saturday November 14, 2015. The Study Guide belongs to a course at a university taught by a professor in Fall. Since its upload, it has received 17 views.
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Date Created: 11/14/15
What is the difference between a population and a sample Provide an example of a population and a sample Why might you use a sample instead of a population A population is all subjects human or animal that are being studied A sample is a group of subjects selected from a population A population would be every Basketball player in the NBA A sample would be the Portland Trailblazers Go Blazers You would use a sample instead of a population when the population is so large as to make it impossible to study everyone in the population such as the entire population of the United States You could use a sample say of 100 random people of different ages from each state Response 2 A population consists of all things being studied A sample is a representation of the population or group of things selected from the population A population is used if the study is relatively small When there are large values or the size of the population is immense a sample is chosen to represent the population The measure obtained through data in a sample is called a statistic The measure obtained through all the data values in a population is called a parameter If you wanted to study the relationship between eating fast food and obesity you would use a sample because of time and the size of the population it would be almost impossible to use the entire population However if you wanted to study the average weekly sales of employees and you only have five employees you would use the entire population since the study will be small
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