GIVE TYPED WRITING SO I CAN UNDERSTAND CLEARLY.

Kindly give correct answers and step by step working.do not skip steps.Mention clearly about the formula and the conversion.be very clear.do not skip steps.be very clear.NUMBER THE ABS CLEARLY

STA JANUARY 2018

QUESTION 1 a) Fill in the blanks. i) The process of selecting a group of people within a population is known as ii) The purpose of a is to predict the cost, time and workforce needed for a survey. iii) A sampling frame is not required in a sampling. iv) The study on the entire population is called (4 marks) b) The Public Services Commission wishes to conduct a survey on the university students' intention of becoming science officers after they graduate. The study will be administered at TH University involving 3000 students enrolled in various Science courses. 25% of the students are majoring in Geology The other 30%, 20% and 25% are majoring in Biology, Physics and Chemistry, respectively. A random sample of 1500 students will be selected for the study. Identify the population and the sampling frame of the study. (2 marks) ii) Identify the variable and type of variable of interest. (3 marks) Determine the most appropriate sampling method that can be used in this study. (2 marks) iv) Determine the most appropriate method of data collection for this study. (2 marks)