Question 3 a) State any five (5) factors that often strict the sample size. (10 marks)

b) Explain with reasons the most suitable measurement scale that a researcher can use from these sampled statements: (6 marks).

i. Female soccer teams in this year's Olympics.

ii. Number of countries in Africa.

iii. Season in a year.

c. Distinguish Secondary literature from Primary literature use examples to justify your answer. (4 marks).