Is the sample representative of the population?

population: chocolate consumers
sample: surveys inside a company's chocolate bar wrappers that are completed and returned to the company

A.
representative

B.
not representative

Question

Is the sample representative of the population? 

population: chocolate consumers 
sample: surveys inside a company's chocolate bar wrappers that are completed and returned to the company
 
 A.
representative
 
 B.
not representative

anonymous · Answer

@xxraider365

btaylor · Answer

This is an example of voluntary response. Only those who choose to respond will, so it is not representative.

mrnood · Answer

The population is 'All chocolate eaters'
The survey is in 1 company's wrappers
Does the survey give equal probability of selection to each member of the population?