Directions:  Answer all questions and submit to instructor at the end of Module 3

 

Please type your selection in the cell beside the question:

 

1. The mean of the sampling distribution is equal to __________

 

2. The standard error of the sampling distribution when we know the population standard deviation is equal to __________

 

3. The standard error of the sampling distribution when we do not know the population standard deviation is equal to __________

 

4. When the population standard deviation is known, the sampling distribution is a __________

 

5. When the population standard deviation is not known, the sampling distribution is a ________

 

6. If the size of the sample is increased the standard error __________

 

7. Independent samples are _________

 

8. Dependent samples are __________

 

9. The usual sampling distribution of the difference between means is a _________

 

10. Two samples are dependent if the members of one sample _________

 

11. For the following data, calculate the sampling distribution parameters.

      µ=80, σ=10, s=8, n=25

 

12. For the following data, calculate the sampling distribution parameters.

      µ=120, σ=unknown, s=18, n=36

 

13. For the following data, calculate the difference between the means distribution parameters.

      n₁=25, n₂=36, s₁²=50, s₂²=72, M₁=100, M₂=105