STATS 1001
Riverland Community College
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Sophia Unit 1 Challenge 3
- Tentamen (uitwerkingen) • 4 pagina's • 2020
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Sophia Unit 1 Challenge 3
Which of the following is an advantage that is unique only to experiments?
•	a.)
Experimenters can observe and record information of interest.
•	b.)
Experimenters can work with a sample that represents the population as a whole.
•	c.)
Experimenters can use the data to draw cause and effect relationships.
•	d.)
Experimenters can reference sample data to draw inferences about the population.
If you were to track coffee preferences among your co-workers for the nex...
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Sophia Unit one challenge 2.
- Tentamen (uitwerkingen) • 3 pagina's • 2020
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Sophia Unit one challenge 2.
Which of these is an example of multi-stage sampling?
•	a.)
Dividing the total population of New York into groups and then selecting people in proportion from these groups.
•	b.)
Choosing New York as a sample, then selecting a sample of zip codes within New York, then sampling the names of people living in those zip codes.
•	c.)
Randomly selecting elements from the entire population of New York
•	d.)
Dividing the population of New York into groups and then ma...