(a) A researcher from Telecommunication Provider is interested in finding the average usage of monthly Wi-Fi consumption for the household in Petaling district. Selangor. The district consists of nine parliamentary areas. The researcher has selected five parliamentary areas at random, and obtained the information from all the households of the selected parliaments.
(i) State the population of this study.
(ii) Determine the variable of interest in this study.
(iii) Identify the sample of this study.
(iv) State the sampling technique used.
(v) Describe in detail how you would select 2500 sample of household in Petaling district, Malaysia if using Systematic sampling technique. (2 marks)
(b) The researcher believes that some additional information might be useful for her study. Data on the following listed variables have also been collected. State the level of measurement (i.e. nominal, ordinal, interval or ratio) of the variable.
(iii) Education Level
(iv) MontNy Income
(c) A packet contains two chocolate candies and four strawberry candies. Siti Aafiyah chose two candies randomly. If Xis a random variable which represents the number of strawberry candies. construct a probability distribution for X.