In a study of the effectiveness of a new improved math curriculum for primary school, 20 students from standard six were randomly selected to participate in math tests based on old and new curriculum. Test the claim that the new math curriculum is effective compared to the old curriculum. Use a = 0.01 Assume that the distribution is normally distributed. Answer the following questions. Student B C LL I O Exam Scores 2 (old curriculum) Exam Scores (new curriculum) 63 Student Exam Scores 12 65 62 60 75 (old curriculum) Exam Scores (new curriculum) 55 70 74 76 60 79 (continued) Quantitative Methods (BADB 1014) September 2022 Final Examination CONFIDENTIAL Identify the claim and state the Ho and Hi. (1 Mark) Find the critical value. (1 Mark) Calculate the test statistic. (3 Marks) Make a decision to reject or fail to reject the Ho (1 Mark) Interpret the decision in the context of the original claim. (1 Mark)