section consists of ONE (1) COMPULSORY question. (a) Determine the data's level of measurement involved in the following statements: (i) List of countries participating in the Qatar 2022 World Cup(1 mark) (ii) Amount of eggs collected by a farmer. (1 mark) (iii) Number of students in a tutorial class. (1 mark) (iv) Different races in Malaysia. (1 mark) (v) Degree of satisfaction on services of a hotel. (1 mark) (b) In a production process, the cost structure indicates 40+3Q as the extra cost as a result of manufacturing an additional unit of output; while the component of cost regardless of the amount of output produced is $18. Given that the demand function is Qp = 600 - 3P in which represents quantity while P refers to price, (i) Express the total revenue function (TR) and the total cost function (TC) with respect to Q. (5 marks) Express the profit function (IT) in terms of Q. (3 marks) (ii) Determine the level of output when the production is at the break-even point. (3 marks) (iv) Determine the profit-maximizing level of output and price. (4 marks) ( (v) Sketch a graph illustrating the relationship between II and Q. (3 marks) wer ANY TWO (2) out of THREE (3) questions (a) 88 Speed Mart Sdn Bhd collects a sample of 100 sales receipts of its branches in December 2020 which is shown in Table 3: Table 3: Sales of 88 Speed Martin December 2020 Sales (RM'000) Frequency (1) O to less than 10 13 10 to less than 20 27 20 to less than 30 22 30 to less than 40 40 to less than 50 10 28 (i) Compute the mean and the standard deviation of the sales. (9 marks) The mean and standard deviation for the sales of 88 Speed Mart Sdn. Bhd. in November 2020 were RM 30,000 and RM 15,000, respectively. Based on your finding in (i), compare the consistency of the sales for the two months. (3 marks) (b) Investment made by Ali for the last year had an average of RM 45,000 and a standard deviation of RM 5,500. If his investment value rises by RM 3,500, identify the mean and standard deviation