Multiple Questions Answers

1. Cluster sampling is a form of non-probability sampling.
True 
False 

2. A scale is an index in which different items are given different weights.
True 
False 

3. Nominal and ordinal level closed-ended questions must be mutually exclusive and exhaustive.
True 
False 

4. Samples of individuals who use social media such as Facebook are representative of the whole population.
True 
False