Project #41031 - Quiz 3

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Quiz #3

1.
List the three types of hypotheses and provide an overview of the difference between each.

 

 

 

 

 

 

 

2.
Provide an example of a null hypothesis.

 

 

 

 

3.
Provide an example of a non-directional hypothesis.

 

 

 

4.
Provide an example of a directional hypothesis.

 

 

 

 

 

 

5.
Which hypothesis is explicit and which is implicit?

 

 

 

 

6.
What is a normal curve? What three elements are within the central point of this curve?

 

 

 

 

 

7.
Why is a z-score a standard score?

 

 

 

 

8.
Calculate the following z-score.

X=120

Mean=130

​      Standard Deviation= 10

 

 

 

 

 

 

9.
What is the percentage which is associated with the calculated z-score in 8?

 

 

Subject Mathematics
Due By (Pacific Time) 09/25/2014 12:00 am
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