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 JUNE2019

QUESTION 1 a) State whether the following statements are TRUE or FALSE. 1) Descriptive statistics makes inferences and predictions about a population based on a sample data taken from the population. A summarized values taken from a population is called statistics, A stratified sampling is a technique where the researcher divides the population into subgroups and randomly select samples from the subgroups. iv ) Primary data is a data collected by the investigator himself/herself for a specific purpose. (4 marks) b) An administrator wants to assess the reactions of employees to a new and improved health benefits scheme that requires a modest increase in the premiums to be paid by the employees for their families. The company has five departments with 1500 employees. He randomly selects a total of 500 employees representing all departments proportionately. Table below shows the number of employees in each department: Department Number of employees Marketing 390 Finance 255 Operations 405 Human Resource 300 Information Technology 150 i) State the population and sample of the study. ii) Identify the variable of interest and state its level of measurement. ii) Name the most appropriate sampling technique that can be used. Give ONE (1) advantage of this technique. iv) State the type of data used in this study. (8 marks)