Jesse

Question 1

Random Sampling

Answer 1

collect a numbered list of all the names , then use a random number generator

Question 2

opportunity sampling

Answer 2

Stand outside the fish and chip shop and ask people how often they eat fast food
Bias

Question 3

Systematic Sampling

Answer 3

every 8th person
advantages - very easy
Disadvantage - not totally random

Question 4

Stratified sampling

Answer 4

Split data into smaller groups / strata
advantages - garenteed to get a representitive sample
disadvantages - takes a long time, if not properly could be bias