1. Explain the process of creating a significance test. 2. What is the difference between a...

1. Explain the process of creating a significance test.

2. What is the difference between a z-distribution and a t-distribution? When would you use each of them.

3. How do confidence intervals and significance tests relate?

4. What does having the value of zero contained in a confidence interval for a difference tell you?

5. When do you use a matched-pairs t-test?

Solutions

Expert Solution

orchestra answered 1 year ago

Next > < Previous

Related Solutions

1. Explain the process of creating a significance test. 2. How do confidence intervals and significance...

1. Explain the process of creating a significance test. 2. How do confidence intervals and significance tests relate? 3. When do you use a matched-pairs t-test?

Explain the difference between statistical and practical significance. Explain the difference between the null and alternative...

Explain the difference between statistical and practical significance. Explain the difference between the null and alternative hypotheses. When should a one-tailed test be used? What are the disadvantages to using a one-tailed test? When should you use a two-tailed test? Define a Type I error. In the behavioral sciences, what is the likelihood of a Type I error? Define a Type II error. In the behavioral sciences, what is the likelihood of a Type II error?

Explain the difference between statistical significance and economic significance of OLS estimates?

1. What is the difference between practical significance and statistical significance? Give an example of something...

1. What is the difference between practical significance and statistical significance? Give an example of something that might be statistically significant, but not practically significant. 2. What is a Type I error? Give an example. 3. What is a Type II error? Give an example.

Explain what the difference is between a process and a program. Explain what would happen if...

Explain what the difference is between a process and a program. Explain what would happen if a parent process exits immediately after calling the fork() system call.

1. explain the difference between creating a sampling distribution with n > 1 vs. plotting individual...

1. explain the difference between creating a sampling distribution with n > 1 vs. plotting individual data points. 2. explain why it makes sense that increasing the sample size should decrease the standard deviation in a normal distribution. Explain what this does to the overall shape of the normal curve

1. What is the difference between the Constant Head and Falling Head Permeability Test? 2. What...

1. What is the difference between the Constant Head and Falling Head Permeability Test? 2. What principal are the two permeability tests based on? 3. Why would one use the falling head tests instead of the constant head test? 4. If you anticipate that the permeability of a soil is approximately 0.000001 cm/sec and the falling head permeability testing equipment had the following dimensions, how long should the test take if the beginning head is 20 cm and the final...

1. What is the difference between a test of independent means and a test of matched...

1. What is the difference between a test of independent means and a test of matched means? 2. How would I calculate a test of matched means? what is the“matched” means? 3. Do you think both these tests ( a test of independent means and a test of matched means) are reasonable? Fair? Why or why not? Common concerns might be assumptions of the test being met, the practicality of the test, etc.

1. What is a divestiture? (2) 2. Briefly explain the difference between a spin-off and a...

1. What is a divestiture? (2) 2. Briefly explain the difference between a spin-off and a carve-out. (4) 3. Briefly explain bankruptcy costs(4)

What is the difference between practical and statistical significance? A. Statistical significance is associated with p...

What is the difference between practical and statistical significance? A. Statistical significance is associated with p values, but practical significance is not. B. Practical significance is associated with p values, but statistical significance is not. C. There is no difference. D. Neither A nor B is true.

Subjects