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04. [For Question 4. write down the answers only. no explanation is needed} {a} State which sampling method [simple random sampling. systematic sampling. stratied random sampling. cluster sampling} is used in each of the following cases: lb} ii] iii] in a district. there are lilil schools. The Education Bureau would choose 3 schools randomly and conduct a survey with every teacher in the selected school about their experiences on using Information Technology in teaching. [2 marks] There are 24 rows ofseats in house I of a cinema. A hygiene inspector would check all seats in every 4'\" row to see whether the hygiene is up to standard. [1 marks] State which test [ztest. ttest. ANO'v'A. f test} is most suitable for each ofthe following cases: ii} {iii {iii} An education researcher wants to compare the teaching effectiveness of four different teaching methods. Final year students are randomly assigned to one ofthe four groups. The marks obtained by the students in the nal examination would be used for the test. [1 marks} A cereal manufacturer would take a sample of boxes of cereal from the production line to test whether the population mean weight is less than SCH} grants. [2 marks] A domestics helper agency wants to check if the working experience experienced by lndonesian workers is worse titan Philippine workers. The proportion ofworkers reported being mistreated by the employers would be used as reference. {2 marks} (Total: Ill marks}