Please answer the following by numbers.

Please answer the following by numbers.

1.What is Statistical Hypothesis ?

2. What and is Substantive Hypothesis? What does it require?

3. When and how do you reject a null hypothesis?

4. What is the difference between a two-tailed and a one-tailed test?

5. What are the two methods of making a statistical decision?

6. What does P Value mean?

7. What is Statistical Inference?

8. Explain Measures of dispersion.