Name: ___________________________________________________________

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

â€‹ Standard Deviation= 10

9.

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

10.

Would this z-score indicate a sample which is close to being normally distributed or not?Subject | Mathematics |

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

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