1. What is the definition of a random sample? 2. What is the definition of rando
ID: 3050621 • Letter: 1
Question
1. What is the definition of a random sample?
2. What is the definition of random assignment?
3. Imagine that the researcher failed to use a random sample. How would this failure limit her study’s conclusions?
4. Imagine that the researcher failed to use random assignment in her study. How would this limit her research conclusions?
5. No matter what hypothesis test you are using, there are two basic “differences” that you are analyzing in ALL hypotheses tests. What are these two “differences”?
l. ____________________________________________________
2. ____________________________________________________
6. What is meant by the term “statistical significance”?
________________________________________________________________________________________________________________________________________________
Explanation / Answer
1. It is a sampling method in which each member of a group has an equal chance of getting selected.
2. Random assignment Each individual has same chance to be assigned to a given group.
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