matchh these word things

biased sample sample not representative of the entire population
2. convenience sample sample where members volunteer to take part
3. unbiased sample sample where every member of the population has an equal chance of being selected
4. self-selected sample sample where representatives are easily accessible
5. stratified sample sample members are selected through the use of a rule
6. systematic sample members are selected from the

Question

matchh these word things

biased sample sample not representative of the entire population  
2. convenience sample sample where members volunteer to take part  
3. unbiased sample sample where every member of the population has an equal chance of being selected  
4. self-selected sample sample where representatives are easily accessible  
5. stratified sample sample members are selected through the use of a rule  
6. systematic sample members are selected from the