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