DO SURVEYS AND POLLS USE REPRESENTATIVE SAMPLES? for a sample to be representative it needs to be based on probability methods. when rolling a dice, what is the probability of the number two appearing in one throw only?.
Sampling and types of sampling methods commonly used in quantitative There are two main types of sampling: probability and non- probability sampling. Missing: dice rolled.
Simple Random Sampling ; Stratified Random Sampling ; Cluster Sampling All members of pop have equal chance of being selected; Roll dice, flip coin, draw from Qualitative No manipulation: just observe 2 + variables, then measure relationship; Also called: Advantages & Disadvantages of Correlational Methods.