please answer all questions.

QUESTION 1 A research team from 00 University (consist of five faculties) conducted a survey on their undergraduate students in order to determine their average monthly expenditure on foods. There are 1500 undergraduate students registered in the current semester. The list of all students\" names arranged alphabetically by faculty was obtained- A random sample of 150 students was selected randomly from each faculty and information on gender, age, monthly expenditure on foods and types of foods purchased by the students were collected. a) State the population and sample for the above study. (2 marks) b) State the sampling frame for the above study. (1 mark) c) Name any two (2) variables from the above study. For each variable chosen, state its type of variable and the scale of measurement. (4 marks)