Read and answer the following questions. A researcher wants to determine if review sessions affect the performance of students in exams. A review session is administered to a sample of 25 students and after the examination, a sample mean of 43 is calculated with a standard deviation of 8. From previous examinations. It was identified that the population mean for the same exam is 40. Can the professor conclude that the review session is effective in improving exam performance? Use a = 0.01. 1 - 5. State the hypothesis 6-10. Set the alpha value and identify the rejection region 11- 15. Compute the test statistic 16-20. Make the decision