Question 1 (25 marks) A large telecommunication corporation is planning to issue a new scheme concerning a revision of its pay scheme. The scheme involves plans to raise basic salary and reduce overtime payment. It is believed that there might be different views about the scheme among staffnamely between general supporting staff and technical staff who are more frequently required to work overtime. The percentages of the two categories of staff to the whole corporation are about 80% and 20%, respectively. The Director of Human Resources is going to solicit the views of the staff of whether there are in general for or against the pay revision. As all the selected members of staff are to be interviewed face-to-face, he has taken a random sample of size 60.
a With regard to the above scenario, identify the following items:
– The population
– The parameter to be studied
– The sampling frame – The sample – The statistics to be studied (10 marks)
b Cite the best random sampling method that can be employed in this particular situation. (5 marks) c Describe briefly how the statistic will produce the kind of information the owner wants. (10 marks)
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