8. The data shown below are the averages of monthly utility bills for a random sample of households in Kuala Terengganu and Johor Bahru. Use a = 0.02 to test the claim that households in Kuala Terengganu have fewer monthly utility bills than households in Johor Bahru. Answer the following questions. Kuala Terengganu Johor Bahru Sample mean RM340.80 RM400.60 Sample size Population standard deviation RM57 RM54 a. Identify the claim and state the H, and Hi. (1 Mark) . Find the critical value. (1 Mark) Calculate the test statistic. (1 Mark) d. Make a decision to reject or fail to reject the Hol (1 Mark) e. Interpret the decision in the context of the original claim. (1 Mark) [Total: 5 Marks]