fieldwork

Question 1

define primary data

Answer 1

data you have collected

Question 2

define secondary data

Answer 2

data someone else has collected that you use in your investigation

Question 3

define random sampling

Answer 3

samples that are chosen at random

everyone has an equal chance of being chosen

Question 4

define stratified sampling

Answer 4

deliberately introducing bias to ensure your sample addresses the question

Question 5

define systematic sampling

Answer 5

a set interval or order to your sampling