Answer to Question #340752 in Statistics and Probability for angel

Question

The Graduate Record Exam (GRE) is a standardized test required to be admitted to many

graduate schools. A high score in the GRE makes admission more likely. According to the

Educational Testing Service, the mean score for takers of GRE who do not have training

courses is 555 with a standard deviation of 139. Brainpower Philippines (BP) offers expensive

GRE training courses, claiming their graduates score better than those who have not taken any

training courses. To test the company’s claim, you as a statistician randomly selected 30

graduates of BP and asked their GRE scores. The random sample of 30 graduates he obtains

recorded a mean score of 560 in GRE. (Level of Significance α = 0.05)

Identify the test statistic to be used and the following;

1. x̅= ___

2. s or σ = ___

3. H0: ___

4. H1: ___

5. μ = ___

6. α = ___

7. ZC or tC = ___

8. Zα or tα = ___

9. Decision rule: ___

10. Draw the rejection region: ____

11. Decision: ___

12. Conclusion:

Answer 1

It's been a while since this question is posted here. Still, the answer hasn't been got. Consider converting this question to a fully qualified assignment, and we will try to assist. Please click the link below to proceed: Submit order